Zenitar 16@2,8 fisheye profile

Does anyone have made the profile on FF camera specially for nikon d700.
Where from to download other not egzisted defAUTLY PROFILES?

Does anyone have made the profile on FF camera specially for nikon d700.
Where from to download other not egzisted defAUTLY PROFILES?

Similar Messages

  • Alternative fisheye models?

    When I apply a fisheye profile in camera raw 6, 100% "distortion correction" generates a rectilinear image, and 0% leaves the geometry as-shot.  But I would prefer to correct my fisheye images to a more appropriate ideal projection, that neither stretches the image so severely nor crops so much of the edges.
    Best would be the stereographic projection, r/f = 2sin(a/2), however the equal-angle spherical projection r/f = a or the equal area one r/f = 2tan(a/2) would be almost as good. [ a = angle from optical axis in radians, r = radius in image, f = focal length.]  All 3 of those projections are used to model 'ideal' fisheye lenses, and there are real lens designs that approximate each of them.
    The Adobe Camera Model (as given in the Lens Design Data Conversion Guide) apparently takes the rectilinear image as the standard for an 'undistorted' image for both normal lens and fisheye lenses.  That is unreasonable, given that fisheyes can have fields of view of 180 degrees or more.  That model becomes numerically unstable for fields of view over 160 degrees, and undefined at 180 degrees.
    The standard of correctness for a "corrected" image should simply be a known mathematical relationship to the ideal pinhole image, which is the projection of the world on a sphere of radius f.  That can be satisfied by correcting the image to any of the mentioned projections of the sphere, among many others. 
    So my question is, when can we expect ACR lens profiles to deliver more appropriate "corrected" fisheye images?
    -- Tom

    Hi Chan,  sorry, did try to post by email; here's a copy
    The pinhole image -- equivalent to the mathematical operation  of linear projection -- has always been the standard of correctness for  imaging optics.  It is often assumed that the flat image surface, found  in so many cameras, is part of this standard; but in fact that is only a  secondary requirement.  Many specialized cameras in fact have curved  image surfaces, and this in no way invalidates the ray tracing and other  computations used to design, optimize and calibrate them.  The  principle of pinhole projection is equally valid for any image surface  shape, provided only that it is accurately known.
    Consider a spherical panorama.  It shows everything that  can be seen from a certain point in space.  It is equivalent to a 2D  image painted on a sphere.  Ideally that spherical image is a linear  projection of the whole world -- equivalent to a pinhole image with the  pinhole at the center of the sphere -- which is mathematically valid  even though not physically realizable.
    An ordinary photo is a projection of part of the world onto a flat  surface.  If we "correct" the lens accurately, we get the image that  would have been projected on that surface by a pinhole at the lens's  entrance pupil (ignoring slight complications for thick lenses).  That  is fine for fields of view up to perhaps 90 degrees, but leads to severe  distortion (and numerically unstable calibration computations) when the  lens covers a really wide angle.  And if the field of view is 180  degrees or more, no flat corrected image is even possible in theory.
    If we calibrated lenses in terms of a perfect spherical pinhole  image, that calibration would be valid for all lenses, up to and  including exotic designs with fields of view over 270 degrees.  More  practically, it would work for the many fisheye lenses with fields of  120 to 180 degrees that are in daily use, as well as for all longer  lenses.
    Given a calibration that maps the lens's output to the sphere, one  can easily generate "corrected" images in any desired flat projection;  not only the normal rectilinear perspective projection but also  stereographic, cylindrical, equirectangular, Pannini, ....  Those other  projections are increasingly being used for presenting wide photos, and  some are very useful as the starting point for stitching panoramas.
    There are some special difficulties with calibrating fisheye lenses,  notably that both optical axis tilt and the shift of the entrance pupil  with angle have to be taken into account.
    This paper by NASA engineer Don Gennery gives a lucid account of the problems and  of one way of structuring calibration s/w to deal with them.
    Gennery's method does not explicitly model a spherical image  surface, and it is not necessary for a wide angle calibration algorithm  to do that.  However the results of any valid lens calibration can be  converted to a mapping to/from a reference sphere.  What I am suggesting  is really that Adobe should consider packaging its calibration  parameters in that form, and putting code in CameraRaw that implements  "correction" to a range of useful projections.   And of course  developing a really good fisheye calibration capability.
    I use Sigma 8mm, Nikon 10.5mm and Canon 15mm fisheye lenses for  panoramic photography, and I am impressed by how well Adobe's own  calibrations of the 10.5 and 15 seem to work.  However I am not happy  with the results I have been able to get on those lenses myself, using  Lens Profile Creator; I suspect Adobe's may have benefited from some  expert tweaking.  What I really need is corrected fisheye images in  stereographic projection, I'd be perfectly happy to leave the  calibration to Adobe. 
    Hoping this helps move Adobe lens profiling forward.  BTW I am available as a (tele-)consultant if you decide you need help. 
    -- Tom

  • Lens Profiles, have issues with the Fish Eye lens profile.

        So this weekend I had a lot of fun backing up 56,000 images onto a brand new 4 TB Seagate external hard drive, I previously had them on a smaller external. Anyway, I noticed when I went back into LR that some, not all with no rhyme or reason,  that the image would change ie. in the Lens profile I noticed that the value went from whatever lens I shot with. To of all lens profiles the Fisheye Profile. I started going back in and changing the profile back, however I noticed that you can only change one at time. Even when I change one back, copy it and sync only the image I choose last would change. If I have to go in and change ever image that happens too, Yikes !!!
    Does anyone have any ideas maybe deleting the fish eye profile, if I could find it?
    Thanks,
    Doug

    Yes, if a profile can be found that matches, it will be applied, at 100% for all three sliders.
    Conversely, if you for instance don't want your fisheye to be defished, you open an image taken with that lens, move the distortion slider to 0%, and save that as a new default. Now, "Auto" would put the distortion slider at 100% while Default will leave it at 0%.
    If you don't make any changes to the standard settings and don't save any new defaults, they are both identical.
    Hope this makes sense.

  • How can i add the Sigma 10mm 2.8 Fisheye lens profile from the camera profile in windows to lightroom 5?

    It only seems to give me a 15mm fisheye option for Sigma and not the 10mm even though it is a profile in the camera profiles folder.
    Can anyone help with importing this profile into Lightroom?

    nickpearse wrote:
    Just so it is black and white for my sake. I am shooting with a Nikon D7100 using a Sigma Fisheye 10mm 2.8 and using the Lens Profile of the Sigma 15mm 2.8mm on Lightroom.
    Then the correct profile to use is the Sigma 10mm F2.8 if you want proper Vignetting correction and matching Distortion correction, but you'll need to shoot camera raw images (i.e. no JPEG lens profile). This is also why you are only seeing partial correction. As I said, "With a crop factor camera only the central crop area of the full-frame Sigma 15mm lens profile will be applied."
    That said there is absolutely nothing wrong with using the Sigma 15mm lens profile with your crop factor Nikon D7100 if you are happy with the partial correction results, but you can also do this using the correct Sigma 10mm lens profile (set less than 100). There is a fisheye correction plugin called Fisheye-Hemi that works very similar in that it only applies partial correction. You're getting about the same results as Fisheye-Hemi for free using partial correction with the LR lens profile tool. That should make you happy! I suggest experimenting with both the 15mm and 10mm lens profiles and start shooting camera raw image files. Your're not realizing the camera's full capability shooting JPEGs!
    In the DSC_7098 images posted none of them look very sharp (slow shutter speed?). Other than geometric correction I can't judge the posted images for "sharpness" in the corrected areas, which is the major concern. The biggest issue with rectilinear correction of fisheye images is loss of detail in areas with the most correction (edges and corners).  If that were not the case people would use fisheye lenses for ALL wide-angle images and simply correct them inside LR. Sadly that's not the case and using LR's Lens Profile Distortion and other transform tools to correct fisheye images considerably softens the corrected areas (sides and corners).
    Fisheye geometric distortion with some subjects is almost undetectable. So how much correction you need will vary by subject type and what the end use for the image. Any fisheye image that has correction applied will lose sharpness in the corrected areas, which may be fine for most purposes other than large prints.So it's best not to strive for 100% rectilinear correction–Just the correction needed to make the image look better.
    Canon 8-15mm F4L FE on 5D MKII Full-Frame @ 15mm (No correction)
    Looks good to me with no correction!
    For more flexibility and better results PS's Wide Angle Adaptive filter and content aware fill tools will retain more image detail in the corrected areas. Here's the same lens and camera with an image processed in PS:
    15mm Full-Frame Fisheye
                          LR Distortion = 50 (partial)                PS Adaptive Wide Angle Filter + Content Aware Fill
    The corner image detail is about the same in both of the above images at 1:1 view. Partial LR Distortion correction is good!
    So what happens if I apply 100 Distortion correction to the image inside LR?
    1:1 Compare View (lower-left) with LR Distortion = 100
    100% LR Distortion correction of fisheye images is NOT good IMHO!

  • GoPro Camera Raw Lens Profile settings not working for image sequence in Photoshop/AE/Premiere CS6

    Hey Everyone,
    I'm in need of assistance in either Photoshop CS6, After Effects CS6, or Premiere Pro CS6.  I just installed the trials after seeing Russell Brown demo the GoPro Lens Profile correction feature in Camera Raw.  Basically what I'm looking to do is make adjustments (in Adobe Camera Raw) to a series of still images (shot with the time-lapse mode on the GoPro) and then either export those stills through Photoshop or Bridge to a temporary movie file that will be imported into a timeline (with other video clips), or import the JPG files (with Camera Raw settings) directly into After Effects or Premiere as an image sequence.  The latter would be preferable as it'd avoid the extra step of having to render the intermediate/temporary movie file.
    Right now, my current workflow for GoPro time-lapses is:
              - use Bridge CS4 to do basic color correction on the still images
              - save those as TIF files
              - run the TIF files through a custom script to have Hugin 2012.0.0 (open source pano stitcher) remove the fisheye distortion
              - open the new TIF image sequence into QuickTime Player 7 (Pro)
              - export the image sequence as a QuickTime movie file
              - import the movie file into Premiere Elements 10 to place on a timeline with other video clips (as Premiere Elements can't handle the sequence(s) of thousands of still images without crashing)
    If I can go directly from Bridge to a timeline, it'd save a lot of processing time (and it'd be much nicer to preview the images in Bridge without the fisheye distortion)!
    I can prepare the GoPro JPG files through Adobe Camera Raw in Bridge CS6, though when I go to import the JPEG image sequence into Premiere Pro CS6 or After Effects CS6, none of the Camera Raw settings are applied.  If I export the Camera Raw files in Bridge CS6 as DNG files (a step I'd really prefer to avoid) and then import the DNG image sequence into After Effects CS6, the Camera Raw settings are applied except for the Lens Profile settings -- I can pick other cameras but not the GoPro lens profiles when the DNG image sequence loads in After Effects.  It also appears that once I open the DNG files in After Effects CS6, I can no longer access the GoPro Lens Profile in Adobe Bridge CS6 -- the list changes to the same list I get in After Effects.  Premiere Pro CS6 doesn't let me import the DNG files at all.  I've also tried to import the JPG files (as well as the converted DNG files) into an image sequence in Photoshop CS6, though it doesn't allow me to do so (the Image Sequence checkbox is grayed out after I apply the Camera Raw settings in Bridge).
    There could be an issue going on with different Camera Raw versions.  I didn't have Premiere Pro CS6 installed during my initial testing, though now do notice that the Camera Raw dialog in Bridge CS6 only lets me choose compatibility up to "Camera Raw 7.1 and later" when I choose to export the files as DNG.  I thought Camera Raw 8.2 was an option there a couple days ago when I only had installed Photoshop CS6 and After Effects CS6 (though am not 100% certain).
    Please let me know if there is some workaround to get the GoPro lens profile Camera Raw corrections applied in an image sequence in one of the Adobe CS6 products (without having to export the files as temporary TIF or JPG files out of Camera Raw).  I'd greatly prefer to shorten my current workflow for these files.  (I just updated the CS6 trials and have tested all three programs again though I still get the same results described above.)
    Does Lightroom 5 have any option to export Camera Raw image sequences as movie files (or any other feature that might help in simplifying my current workflow)?  I can't install the trial right now as it's not compatible with OS X 10.6.8.  I'd consider upgrading OS X if I knew Lightroom 5 would do what I need, though am waiting for any potential color profile issues to be resolved in OS X 10.9.
    I can open the image sequence in Photoshop CS6 if no Camera Raw settings are applied and then use the Lens Correction Filter to apply the GoPro Lens Profile settings, though I really prefer the Camera Raw interface in Bridge for tweaking image settings.  As soon as I apply Camera Raw settings to the first image, Photoshop CS6 grays out the image sequence checkbox.
    If there isn't a way to take Camera Raw files straight from Adobe Bridge to a timeline, I may stick with my current workflow using CS4 and see what I can do to better automate some of the steps as the TIF export in Bridge, fisheye distortion removal in Hugin, and render in QuickTime Player all take quite a while.  I won't mind waiting for all the processing if I can set it and check back on it in later the next day when it's fully complete.  Is there a way to have Adobe ExtendScript execute an external shell command (i.e.: a command I could type into the bash shell in Terminal in OS X)?  If not, is there a way to call/run an ExtendScript script from the command line and pass a parameter to it that my custom script could use?
    Thanks in advance,
    Mark

    Can you zip up a few of your GoPro images, upload them to dropbox.com and post a share link, here, so others can experiment with them, or do you mean this issue is global to all camera models?

  • Lightroom Bug: with GoPro Hero4 Silver Lens Profile, crop settings do not sync properly in Lightroom 5.7.1 when Constrain To Warp is checked

    I was having a bit of difficultly in getting crop settings to properly sync in Lightroom 5.7.1 (running on OS X 10.10.1) when Constrain to Warp was checked.  This appears to be a bug in the latest version(s) of Lightroom that include(s) the GoPro Hero4 Silver Lens Profile settings.  I'm working with a lot of files from a GoPro Hero4 Silver camera shot in the time-lapse / interval timer mode.  All of them are horizontal with the same resolution (and dimensions).  I've tried various sequences to get this to work in terms of using Auto-Sync, resetting the settings on all images except one and then copy and pasting settings, etc, though the crop is not properly syncing regardless of what I do.
    Here's are instructions of how to duplicate this issue (there are some extra details/steps here, though this should be clear enough to produce the same result):
         1.  in the Develop settings for a single selected image, go to Lens Corrections, click to Enable Profile Corrections (in the Profile tab), and then pick the GoPro Hero4 Silver Edition (Adobe Profile) if it is not automatically chosen for you (if you are using files from a Hero4 Silver camera).  After this, click on the Manual tab, and set the Scale setting to 76.  (as you will see, you now have the full horizontal width of the image that was getting cropped off, though you do see white around the edges that have been warped/shaped to correct the fisheye distortion)
         2.  Press the R key (or click on the Crop Overlay tool just below the histogram).  Change the Aspect option to Custom.  Click to unlock the lock next to it (this seems to re-lock after setting to custom even if it was locked before).  Place a checkmark next to the Constrain To Warp option.  (At this point, you'll see the image gets cropped back to an approximately 4:3 ratio and the full horizontal width is not included in the cropped area)  Click the upper right most corner of the crop area and drag as much to the right and top as it lets you go.  Do the same for the lower left corner, dragging it as far to the bottom left as you can go.  (Now, you will see that your cropped area is the maximum rectangular width and height you can select without getting any of the excessive white area)  Click the Close button (or press R again) to leave the crop overlay tool.
         3.  Press G to go back to the grid of images.  Make sure the image you just adjusted the settings for is the only one selected.  Right click on it, go to Develop Settings, and click Copy Settings.  Click Check All on the window that appears and then click Copy.
         4.  De-select the image you were working on.  Select multiple other images in the grid.  Right click on one of these, go to Develop Settings, and click Paste Settings.  (at this point, you will see their aspect ratio has become more panoramic than the 4:3 aspect ratio the images previously were)
         5.  De-select these images.  Select one of these image, and then press D to go to the Develop settings for this image.  Press R to go to the Crop Overlay tool.  Here you will see the bug where the crop was not properly copied over from the first image.  The selected area is smaller than the full width and height available to crop.
    It seems that the bug is that Lightroom is only copying the aspect ratio (and the other settings), but not the actual crop selection.
    I just thought of a workaround that I've tested and can confirm works (and will also work in a slightly different workflow than above).  In step 1 above, for the Model (and Profile), manually pick the "GoPro Hero4 Black Edition" or the "GoPro Hero3-Silver Edition".  If using the "Hero3-Silver" setting, the Scale (also in step 1 above) need only be set to 79 (rather than 76 for the Hero4 profiles).  By picking one of these Lens Profiles and doing everything else the same as the other steps above, the crop settings do copy and paste properly.  This does also appear to work properly when selecting the "GoPro Hero3-White Edition" Lens Profile, with a Scale setting of 75, which yields a slightly more rectilinear image (with a wider aspect ratio -- almost, but not quite 16:9).
    While this isn't too big of deal as it does work by picking one of the other lens profiles (and the Hero4 Black Edition profile appears to make the same exact correction to the image), this was incredibly frustrating last night to notice that some files had the proper horizontal field of view / crop and others didn't, and other users may experience this or not even notice their crop is not copied properly (as, depending on one's composition and image, it's not extremely obvious with such a wide view).
    I hope this discovery helps someone else and provides feedback for Adobe to correct this issue in the next version of Lightroom 5.
    On a separate, additional note for Adobe:  Please allow the crop overlay tool to "crop" an image to a size that is larger than the original dimensions of the image.  This would allow for one to retain maximum original sharpness in the center of the image when using the Lens Profile tool to correct, or "de-fish" a lens, without having to scale the image down with the Scale option on the Manual tab of the Lens Corrections settings.  For example, when I do the above process selecting the Hero3-White Edition profile, my final image dimensions are 3840 by 2257 pixels, reducing the size of the image in the center by 25%.  If the tool allowed one to crop/scale a larger image size, and I kept the Scale option of the Lens Corrections settings at 100 rather than 75, my final image dimensions would be 5120 by 3009 pixels (larger than the 4000 by 3000 pixel dimensions of the original image which the tool now limits me to).  Yes, the edges would be a little softer but the center would retain the original detail.  (this is essentially what the Calculate Optimal Size button found in the Hugin open source software does, when using it on a single image for lens transformations/corrections)

    Can you zip up a few of your GoPro images, upload them to dropbox.com and post a share link, here, so others can experiment with them, or do you mean this issue is global to all camera models?

  • Why don't additional downloaded lens profiles show up in LR5?

    Hi everyone! My name is Kai and this is my first post here. Normaly I find an answer to all my questions by reading already existing discussions. But this time I wasn't lucky...
    Hopefully this is not a stupid question.
    I downloaded lens profiles for the Rokinon 7.5 fisheye and created a folder named "Rokinon" in "Rsources", "LensProfiles", "1.0" (MAC OS) to put them in, but they don't show up in LR5 and I can't use them. What's wrong?
    Thanks, Kai.
    <moved by mod from downloading,installing,setting up - kglad>

    The correct location to place downloaded Lens profiles on a Mac is:
    Macintosh HD / Users / [your username] / Library / Application Support / Adobe / CameraRaw / LensProfiles /

  • Does the Lens Profile Creator work with Photoshop Elements 8.0..?

    Hello,
    I am very new to the world of Photoshop, so please forgive if this is an obvious/stupid question...
    I am using Photoshop Elements 8.0 and I have a couple of pictures that I need to remove the 'fish eye' lens distortion from around the edges...
    The blurb for the Lens Profile Creator says that it is for use in the "Adobe Photoshop® family of products"...
    Does this include Photoshop Elements 8.0 or do they really mean it is just for Photoshop CS5, Camera Raw and Photoshop Lightroom...
    Any help will be appreciated...
    Many Thanks
    mc1903uk

    PSE does not have the user-interface to turn on lens-corrections, nor does the ACR 6.1 update for PSE contain the lens-profile database installer, so if PSE is the only member of the PS-family that you have installed then effectively you cannot apply lens profiles.
    If a computer has the lens-profile database installed and lens-distortion-correction has been enabled in the XMP sidecar for a particular image, both requiring PS-CS5's ACR 6.1-updater or LR3 to be installed and one of those used to enable lens-corrections for the image, then PSE can use ACR 6.1 to apply a lens profile, because the version of the ACR 6.1 plug-in for PS and PSE is the same plug-in.
    BTW, removing fish-eye distortion completely, which is what enabling lens-corrections does by default, will leave a rather poor looking image that has been completely rectilinearized but has severe stretching of the pixels at the edges, so only the center is useable.  With my 8mm Sigma fisheye, I reduce the Distortion part of the correction down to 44 so the black corners are gone, but there is still some bulging of the image.
    If you want to experiment with lens-corrections, you could install the 30-day trial of LR3.

  • Profile for Tokina 12-24mm not correcting distortion as expected

    I just created a profile for my Tokina 12-24mm f4 on Nikon D300. I did 9 shots at each of the 5 marked zoom levels (f/8 for all). Testing the profile in Lightroom 3, it doesn't appear to be doing much distortion correction on shots done at 12mm, and virtually none for shots done at 16mm. Looking at the individual "corner shots" there isn't much curvature to the lines of squares, but plenty of taper towards the center.
    Should I have told LPC this was a Fisheye Lens? Or do the corrections just not do very much correction?
    - Bob

    I just eyeballed the grid chart at 12mm with it set to fill the frame (less than a foot away) and there's no perceptable curvature. Actually that lens is pretty stinkin' good. I realized what I was dealing with was the effect of physical distance when super-wide, and very close to the subject. If part of the subject is, say, 1 foot away, and another part is 2 feet away, that second part is going to be half the size. So really perspective distortion, not curvature.
    In other words - never mind
    Almost don't need a profile for this lens. Except - as you say - for vignetting, and maybe some ca.
    - Bob

  • Looking for D7000 and Tokina 11-16mm Lens Profile

    I would think by now someone would have posted this lens profile but I can't find it for the life of me, sorry. I am sure this has been discussed to death but I have downloaded the lens profile creator (haven't figured out how to use it yet) and the Adobe Lens Profile Downloader (doesn't seem to have any third party lens data for the D7000). Any help would be great.
    On a side note I am also looking for a lens profile for the Pro-Optic 8mm f/3.5 fisheye, which I knew would be even harder to find, but if anyone has either of those I would greatly appreciate a link to download the profile. Thanks, Scott

    There are only Nikon brand lenses in the dB, nothing from Tokina, and nothing for the 11-16mm.
    ~~~~~~~~~~~~~~~
    Scott Fillmer | Sent via iPhone
    http://www.scottfillmer.com
    cell / text 334-787-9317

  • Canon 8-15mm f4 lens profile in lightroom 5 is not there

    Does anyone know what lens profile to use for the Canon 8-15mm f4 fisheye in lightroom 5

    I have the Canon EF 8-15mm fisheye lens and use it on both the 5D MKII full-frame and 600D 1.6 crop bodies. This lens exhibits very little vignetting at all focal lengths on either body and of course exhibits 100% distortion.
    The biggest issue with this lens is lateral and axial chromatic aberration. Selecting 'Remove Chromatic Aberration' does a good job of removing the lateral CA, but there is still significant axial CA present. To correct the axial CA I use the Defringe tool. Using too high of a Defringe setting can desaturate like colors (i.e. purple) in the actual image, but the following Defringe settings work well with virtually all images without any significant desaturation:
    Full-Frame, 1.6 & 1.3 Crop Body
    8-12mm: Amount = 2, Purple Hue = 30/55
    13-15mm: Amount = 4, Purple Hue = 30/55
    If you are trying to rectilinear correct your images so they don't exhibit fisheye distortion the Canon 7D lens profile for the 8-15mm  available in the Adobe Lens Profile Downloader will do that for both full-frame and 1.6 crop bodies. Unfortunately there is significant softness in the outer area of the image. It also does a fairly good job of correcting the small amount of vignetting on both bodies.
    I also use the PS Adaptive Wide Angle filter and Fisheye Hemi plugin with much better performance concerning sharpness, but without full distortion correction. For landscape work the image looks virtually 100% rectilinear.
    You can read my review of this lens on Amazon for more details on the LR settings I use:
    http://www.amazon.com/Canon-8-15mm-4L-Fisheye-Ultra-Wide/product-reviews/B0040X4OZU/ref=dp _top_cm_cr_acr_txt?showViewpoints=1
    Scroll down to my review tilted, 'Produces High-Quality Fisheye AND Rectilinear Corrected Images, December 24, 2012.

  • Lens correction for Panasonic 8mm fisheye

    I am shooting with Panasonic lumix G 8 mm fisheye and Olympus PEN - EPM1.
    I cannot find this lens in the list of lens profile available in LR 5.
    Is there an update planned for it?
    Would someone have manual parameter or is there a procedure to find the right parameter manually?

    I am shooting with Panasonic lumix G 8 mm fisheye and Olympus PEN - EPM1.
    I cannot find this lens in the list of lens profile available in LR 5.
    Is there an update planned for it?
    Would someone have manual parameter or is there a procedure to find the right parameter manually?

  • Does Camera Raw apply tangential corrections computed by Adobe Lens Profile Creator?

    Dear Adobe,
    I have noticed that even if ALPC calculates tangential distortion parameters, camera raw does not apply any tangential correction to the images. This can be easily proved by manually changing the values of the two tangential distortion parameters in the *.lcp file. Nothing changes to the images even exagerating the values. Varying the other parameters such as radial distortion parameters and principal point location (image center) results in evident changes in the images. I am interested in using camera raw to correct the images from ditortions for scientific purposes. It would be very helpful for me if you could help me.
    Thank you in advance,
    Fabio

    PSE does not have the user-interface to turn on lens-corrections, nor does the ACR 6.1 update for PSE contain the lens-profile database installer, so if PSE is the only member of the PS-family that you have installed then effectively you cannot apply lens profiles.
    If a computer has the lens-profile database installed and lens-distortion-correction has been enabled in the XMP sidecar for a particular image, both requiring PS-CS5's ACR 6.1-updater or LR3 to be installed and one of those used to enable lens-corrections for the image, then PSE can use ACR 6.1 to apply a lens profile, because the version of the ACR 6.1 plug-in for PS and PSE is the same plug-in.
    BTW, removing fish-eye distortion completely, which is what enabling lens-corrections does by default, will leave a rather poor looking image that has been completely rectilinearized but has severe stretching of the pixels at the edges, so only the center is useable.  With my 8mm Sigma fisheye, I reduce the Distortion part of the correction down to 44 so the black corners are gone, but there is still some bulging of the image.
    If you want to experiment with lens-corrections, you could install the 30-day trial of LR3.

  • When will Lightroom have a profile for the Parrot Bebop Drone for lens correction?

    Just wondering if and when Lightroom will add a lens correction profile for the Parrot Bebop Drone.

    The Parrot Bebop Drone camera and lens is not likely to be supported by Adobe.
    https://helpx.adobe.com/x-productkb/multi/lens-profile-support-lightroom-4.html
    It appears to use a fisheye lens and in-camera processing or provided software to rectilinear "correct" the image. What specifically are you trying to correct with the LR Lens Profile tool? This will help us provide other suggestions to accomplish your objectives.

  • Auto-will this apply lens profiles to all images in ACR when a profile exists

    I would like to know if I hit "Auto" under  the Lens Correction Tool in Adobe Camera Raw, will that then set up Adobe Camera Raw to apply a
    lens correction profile to each image that I process, when such a lens profile is available in the database?  I have read one or two threads on this topic and I am still not sure that "auto" does what I want, versus default; the situation becomes even trickier I think if you edit the settings below this tab, and want those choices to become a default. I am very confused by all the various "if you do this, then this will happen, but not if you set these to other choices, and so on".
    Perhaps "Default" does what I want to have done? In any event, I would like to know which setting will do as above and apply a lens correction profile every time that one is available.
    Thanks, Debra

    Yes, if a profile can be found that matches, it will be applied, at 100% for all three sliders.
    Conversely, if you for instance don't want your fisheye to be defished, you open an image taken with that lens, move the distortion slider to 0%, and save that as a new default. Now, "Auto" would put the distortion slider at 100% while Default will leave it at 0%.
    If you don't make any changes to the standard settings and don't save any new defaults, they are both identical.
    Hope this makes sense.

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