Lens Focal Length with Phase One P21+

Hi,
When importing images without converting them into DNG I have the following situation in LR
When using the Developer module I can se the focal length of the lens, but when in Library Its not visible anymore ?
/M

Hi,
Thank you for the fast answer, When looking at the screen I have ALL selected and it tells me unknown lens.
Please see the attached image
/Mikael

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Lightroom with Phase One files?

I was wondering if anyone is using LR with Phase One files?
I use a P45 Phase One back and really would prefer to use Lightroom (over Capture One), but I also need to use the lens correction files for the way I shoot (wide angle lenses / technical cameras etc.)..... I know LR can now do this, but it only works with dng files; everything I've read tells me that the C1 conversion to dng is not a good conversion.
Does anyone have a good workflow for this? I suppose I could always just make a few basic corrections in C1 and then export a 16 bit Tiff to worrk on in LR, but I'd rather work with raw files as much as possible?
Thanks for any suggestions,
Alan.

Yes, I agree, it is fairly simple (now that I've investigated further).
LR does a very neat job of this...... you can export the Capture One file (TIF) as a dng and set LR to automaticaly add the new dng to the same folder (and have it stacked), then you can add the flat field correction and that comes in stacked also, so now all three files are together.
One thing that seems a bit odd is that the Capture One TIF file (IIQL) is 55.9 Mb from my P45, but the Lightroom dng is 64.9Mb? Why is the dng larger?
Thanks,
Alan.

Filter by lens focal length?

I would like to get an idea of how frequently I use different focal length settings on a particular zoom lens. The focal length used on each shot is in the metadata. I can see it shown right under the histogram in Library mode. Is there some way to build a custom filter to select photos with a focal length between 24-32 mm, for example?

Jeffrey Friedl has written a LR plugin that should address your needs:
Taken from his page:
"This plugin is designed to fill a specific hole in Lightroom's “Grid
Filter”, adding new fields by which you can filter images: “Focal
Length” and “Focal Length in 35mm”. The
former is the raw focal length of the lens, while the latter is viewed in
terms of the frame size of a 35mm film frame."
http://regex.info/blog/lightroom-goodies/focal-length-sort

Will there be a lens focal length filter in LR3?

I find the aperture filter useful and recently needed to find focal lengths used for three of my lenses. Had to export thousands of jpegs for each lens to drop into a another program to get the information.
Grouping FL together would give a resonable filter ( 20-25, 26-30, 31-35,36-40 etc etc)

Just clicked Forum (german adobe-website) in the Lightroom section. Sorry if I chose the wrong board :/
The camera only can shoot RAW. I think even my Canons can't shoot DNG if I'm remembering right.

Tethered shoot with Phase One IQ260?

Can I go tethered with a Phase One IQ260 with lightroom 5.7 ?

Here is a list of the currently supported cameras for tethered shooting. The camera you mentioned is not on the list.
Tethered camera support in Lightroom

Lens information and focal length (35mm) not showing up

I'm using a Canon 20D with several L lenses and I have yet to see any information show up in the Focal Length (35mm) field, or any of the lens information fields. I would think this would be a pretty common combination and I'm wondering if there is anything I can do to get this information.
For focal length, since it does know my camera type (i.e. 20D) can't they just multiply all the lens focal lengths by 1.6 my FOVCF?

the sensor size in the camera does not alter the focal length of the lens - it just results in an image with a different field of view to a different sensor size. Focal length is a characteristic of the lens and has nothing whatsoever to do with the camera body it is attached to.
The lens will always be a 28mm or 50mm etc so why would Aperture or any other software say it is a 45mm or 80mm lens? The image will not look the same as if you had taken it with an actual 45mm or 80mm lens, so it would be incorrect to show it as such...
Aperture should simply show the actual focal length for each image - we translate that to whatever is helpful for us to understand the results.

Difficultly creating Phase One lens profiles

Has anyone successfully created lens profiles with Phase One backs, specifically the P65+? I'm having two major issues:
1. file format. I tried converting to DNG via Capture One 6 and Lightroom 3.3--both generated files that LPC could not read. I see the image previews at the bottom center of LPC, but the higher res version in the center of the application doesn't display. When I click "Generate Profiles" it says "Detect corners failed because file reading errors occurred" My current workaround is to convert to TIF instead, which works fine but takes a lot more time & disk space.
2. memory. When I use TIFs, I get the error "Detect corners failed because out of memory..." It suggests using fewer photos, so I've whittled it down to 3, which I believe is the minimum, but I still get the error almost immediately--it appears to be failing on just one photo. I'm running Win 7 x64 and I have 6GB of physical RAM, 154GB free on my OS disk and 92GB free on the disk that contains the imagery.
Any ideas? Thanks!

In further testing, I've found that the file format issue is momentarily solved by closing and restarting the application. It tends to come back as soon as I perform a couple other operations, though.
I also found that the memory limitation affects P45+ images as well--it says out of memory even if I only select 3 images--but using the P65+ in Sensor+ mode (switching from 60MP to 15MP) does result in DNGs that lens profile creator can handle (and then I can select a whole lot of them without a memory issue).

Smart Folders and Filtering based on Focal Length

Can we please be given the ability to create Smart Folders and be able to Filter images based on focal length?
Doing so based on Lens alone does not take into account that more and more people rely on zoom lenses. When you have 16-35, 27-70, 35-135 and 70-200 lenses, one could benefit from having the ability to search for images created in wide-angle, normal, zoom and tele-zoom ranges.
Providing this feature would be greatly appreciated.
Regards, JML

Thanks Colin, I will try it.
Sounds like it may work - however bit awkward solution in otherwise ergonomic LR environment :-(
I really do not understand why this value is not among the filtering metadata when LR recognizes it and shows it on every corner. Especially considering the fact LR is supposed to be full WF solution and certain development settings cannot be effectively applied without selecting images only with certain focal length values.
The very last feature I am missing on this SW designed to cover entire WF (since LR1) is the distortion/perspective control and ability to apply corrections based on lens/focal length used.
b Does anyone have an idea if Adobe plans to eventually implement this feature?
I do not want to be forced to use DxO which always means interruption of the WF and inevitably generated new files on disk.

Sort by focal length

1. Metadata Browser: sort by focal length (using a cushioned range)
2. Ability to filter based on focal length: i.e. with 3 criteria lens, focal length, aperture it would be super simple to paint in presets for removing natural vignetting.

Ian,
The post in which I repeated your comment was not directed at you, the quote was used to re-iterate that it is accepted that the feature is currently not available, and that the search feature is very limited.
If you feel my post was directed at you, my apologies. If you reread the post, the only two times the word "you" was used was in the following way:
>"If you build it, they will come..." well, "If the information is there, you should be able to search, filter, or create smart collections by it."
The comment should have started with "With all due respect to the LR team..." because I hate harping on a subject, with anyone. However, this thread was initiated on July 10, 2007 and covers an issue that deserves to have been addressed by now.
After all, LR is a database program designed with photographers in mind. All databases work in the same way:
1. They provide a way to input/gather information
2. They store the information in fields, and
3. They allow you to obtain that information through reports, or other means, so you can use it constructively. LR gathers the focal length information separately from the lens information. Therefore, it should be easy to program it to allow you to filter/search/create collections on the information.
Regards, JML

Phase One .IIQ/.TIF

HI everyone,
I'm having a problem with Phase One .IIQ and .TIF raws from a H20 back importing into LIghtroom 2.6. When I import using the .IIQ suffix the import stops with an error and no images are imported. When I switched the suffix to .TIF, images import but only as thumbnails.
The H20 is a supported camera according to ACR documentation.
I am able to import .IIQ files from a Phase One P25+ back just fine.
I would be grateful for any help.
Best regards
G.A.

Which specific back are you using?
Given that you have a ColorChecker chart, have you considered building a custom profile using the DNG Profile Editor?

Lens Correction? Search by Focal Length?

Does Photos for Mac support lens correction of RAW files? Can you search or sort photos by focal length?

Can you search or sort photos by focal length?
In a manner of speaking. You can create a smart album with the following criteria:
Right now there's no capability for editing with a 3rd party editor from within Photos. Ask Apple to add that feature via http://www.apple.com/feedback/iphoto.html and http://www.apple.com/feedback/macosx.html since they don't have a feedback page for Photos as yet.

Phase One P45 pixel count mess with ACR 4.3

I shoot with P45 plus and I'm trying to get exactly the same pixel size when processing
with P45 as with Capture .
The problem is that there is some pixels difference, so proper alignment is not possible .
Looks like pixel proportions in ACR are wrong ( after all it is a Phase digital back )
( It could be that ACR sees some " hidden " pixels or similar " feature" )
I want to process some files both in ACR ( for color ) and in Phase One
( for moire reduction )
Any suggestions / workarounds ?

The Phase One P45+ creates an image of 7248x5441 pixels. Strange, for the CFA is 2x2, so I would expect the dimensions to be even numbers, but that's how they do it.
The active image size is 7216x5412, according to the specs at Phase One. However, the DNG converter creates a file stating, that the active area is 7248x5441, and the default crop size is 7240x5433. I guess this latter is the size, which will be generated by ACR - is that so, Jann?
It is noteworthy, that the Phase One specification is incorrect (or they have a different understanding of "active pixels"); *all* pixels of the 7248x5441 image are active, i.e. carrying image data. However, their specification is somewhat logical: at least 7216 is a multiple of 8, and the proportion is 4:3.
So, the DNG converter (and then ACR as well) is correct about the active size, but the crop size is a mess. The 4:3 proportion should be kept, and the best would be to do it as Phase One specifies, namely 7216x5412.

Phase One files shot with C1 4 will not open with ACR

Hi, files shot with Capture One 4 will not open with ACR nor DNG. Extension is set to .TIF but only the small preview opens. If I shoot with Capture One 3.7 - no problem. Any ideas ?
Thanks,
Gunter

Hi Gunter.
You would need to upload the file to your own web server or to a file sharing site like Yousendit.com and then post a link to the file here in the Forum.
John

Feature Request - better croping, focus patterns,focal length selections?

Tool specific Keyboard shortcuts: It would be helpful to have popup clues about keyboard shortcuts. For example, when using the crop tool, it is not obvious that typing an "X" will change the crop tool from a portrait to landscape mode or repeatedly pressing "O" will cycle through a number of grids. (Thank you Matt!)
Crop at other than "Fit" setting: Other crop tool request - allow crop to work on image at settings other than "fit" I may be able to get a more accurate crop at 1:2, etc. Otherwise I have to crop an image roughly, make a virtual copy and then crop again. Is there a better way to do this?
Show Focus Points on request: If you shoot wildlife with a long lens, a slight error in focus can ruin the shot. I review my bad shots to determine patterns of error in focusing. It would be helpful to see the focus points that were used in Lightroom, (e.g. killer whales move differently than an egret....) I assume this is stored in the metadata. I'd love to be able to do this in Lightroom.
Add Focal Length to filterable metadata fields: It would help to be able to see the various focal lengths used during a shoot, just like you can look at apertures (i.e. select folder for shoot, turn on filters, select aperture in the metadata and wallah! you can see the distribution of apertures used during a shoot.) This reminds you to mix it up and/or helps with lens selection. Is there a way to do this now?
My apologies if these features are available and I just haven't found them yet.
-TAB, a lightroom fan
P.S. Thank you for the wonderful new features. I can't wait to convert my existing catalogs. I love the new import dialog. Now I can organize my backup copy in a logical fashion. When I'm in the field on a multi-day shoot, I don't want to risk reorganizing the backup. Now I don't need to. Enough has been said about noise reduction and better rendition. Thank you!!!

There is a corresponding idea at the feedback forum: http://feedback.photoshop.com/photoshop_family/topics/add_image_direction_in_map_module
Anyone who wants this feature should also vote over there...
BTW: +1
Edit: P.S. I think it is generally a better idea to post feature wishes in the feedback forum (or comment on existing ones there) because it's regularly monitored by Adobe employees, while that is not necessarily the case for the user-to-user-forum here.

How to shoot fixed focal length lenses?

Hi,
I wonder how I am supposed to best shoot fixed focal length lenses.
Currently I just shoot one set of 9 images, just because it is a fixed focal length lens and if I want it to be good, I shoot the same set again with different apertures.
But the documentation says: "For prime lenses, shoot at (1 × minimum focus distance) and (5 × minimum focus distance) focus distance positions with a fixed f/11 aperture."
My problem here is to understand how I am supposed to shoot with different focus distances while using a fixed focal length lens?
As far as I have understood until now, I have to put the test chart fully on the picture so it fills something about 1/2 to 1/3 of the picture, leaving room everywhere. I also input the type of chart I used in the software.
If I do this, then moving the camera to say 5 times the first distance makes the second set of picture agaisnt the rules since obviously the test chart will show only much to small.
If I do it the other way around (first 5x then 1x min) then the second set will only show fractions of the chart.
As added difficulty I wonder how to handle macro lenses... the minimum focus distance there usually allows for a 1:1 magnification. That would either require a test chart total size (!) of less than 1/2 an inch (fun printing) or you would only get to see a fraction of a test-chart-square.
So how do I do it?

No, I am not confunsing these terms. I thought of it exactly as you described, but that seems not in sync with reality or guidance given - for the following reasons:
1. I do actually own a 35mm macro lens with minimal focus distance which I want to create a profile for. Minimum focus distance is 13cm with magnification 1:1. The latter means that the picture is completely filled by any object that is as big as the sensor. --> The full test chart needs to be less than 2cm small.
In that regard your example of a 400mm lens is the easy thing because of the 12 feet distance. Anything is easy to shoot from 4m aways as you can use normal charts.
2. As I described the guide says that the chart should fill about 50% of the picture and you should use one chart. Even in your example obviously the size of the chart on the picture will vary in a real big way if you shoot the same chart with a 400mm lens from 12 feet and from 60 feet. I just wonder if that is what is correct or one should choose a different chart for each distance (I dont believe that).

Lens Focal Length with Phase One P21+

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