Suggestion - 5D3 minimum shutter speed for auto ISO

Hi, I would like to make a suggestion to Canon on the 5D3 camera, with regard to the minimum shutter speed for auto ISO. Currently I find that most of the selectable shutter speeds are on the low side (mostly below 1/125), and this may not be useful for handheld photography, or for fast moving subjects. I would like to suggest the following:
- More minimum shutter speed settings faster than 1/125 including in-between speeds e.g. 1/160 (between 1/125 and 1/250)
- Automatic shutter speed based on a multiple of lens focal length e.g. 2x lens focal length (for both prime and zoom lenses)
I hope that Canon can come up with an updated firmware that does this. Thanks.

Good idea, you can add it to the thread "Firmware Update Wishlist", and "Canon dSLR Wish List?" because a proper, configurable, flexible auto ISO is much needed and would beneficiate all cameras, not only 5D3.
I am not sure what Magic Lantern can give you on that issue, but you can take a look at their page.
Now, as a short term solution, on 1D4 I have put the cfns for 'shutter speed range' and 'iso speed range' in MyMenu, and when I need I change the max ISO (usually 1600) and a min shutter seepd (depends on lens and subject) on the fly. Not very practical (many button push needed), but it works.
I hope that helps
Alain

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5D3 min. shutter speed hidden feature / bug

The ISO speed settings - Min. Shutter speed setting allows setting the shutter speed automatically based on focal length of the lens or manually to a certain value.
The on screen help indicates this setting only affects photo mode.
But when shooting video the camera will still use this setting to determine shutter speed.
This feature can be used to slow down shutter speed when using a long lens (on a tripod)
The hidden feature thus is to go back to photo mode and modify the setting to either get a shutter speed in video mode that corresponds to the focal length or equal to e.g. 1/60, which allows for a lower iso value.
The issue being this feature is very usable in video mode, but the camera hides this setting when in video mode, as it assumes this shouldn't affect video.
It would be great if this menu item could be enabled in video mode too for a future firmware release.
From wishlist point of view I think it would be great if the minimum shutter speed could be set to automatically slow down shutter speed when a lens with Image Stabilization in mode on are being used. A setting that allows to drop shutter speed by 1/2 or 1/4 with IS activated can be handheld and nicely interact with Auto ISO.
Regards,

Your wish is already discussed here:
http://forums.usa.canon.com/t5/EOS/5D3-Firmware-Hiccups-2-No-IS-Image-Stabilizer-support/m-p/13759#U...
my 2c & HTH,
John Th.

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While we get an answer, perhaps understanding shutter speed will be a good idea for those who doesn't know how it works
http://digital-photography-school.com/understanding-shutter-speed
http://layrsapp.wordpress.com/2013/08/29/techniques-of-shutter-speed-and-aperture-control-dlsr-vs-a-...
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You can find all the useful informations about Update Rate of a FieldPoint Ethernet Network Controller at this link:
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Setting shutter speed to 1/2000 for concert photos.

Hi -
I've been unable to figure out how to get a static 1/2000 shutter speed for concert photos, so that I can capture high quality photos while people are in motion on the PowerShot A2500. If I am unable to set it to a static 1/2000, please let me know the settings I should have it at so that it will automatically adjust it to 1/2000 or at least something higher than say 1/200, since speeds lower than that are blurry.
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Basically (from what I read in the specs) you CAN'T. That camera looks to be marketed for simple point & shoot use. You need one that offers MANUAL control over the primary functions such as Tv or Av (Time Value AKA shutter speed or Aperture). Like it or not you are trying to capture decent results under very difficult conditions with the wrong tool.
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Raise Min Shutter Speed above 1/250th on 6D?

Hi All,
I just upgraded from the 20D to the 6D, and wanted to know, if its possible to set the min shutter speed above 1/250th of a sec on the 6D? If so, how? I wanted to know if I can set it above 1/640th or higher.
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mlong219 wrote:
Hi Skirball,
You are correct! The reason why I want it near 1/800 is because I plan on shooting indoor sports with no flash, for the first time with this camera, and wanted to see if I can manually set my shutter to 1/1000th of sec as a min, and have my ISO set to auto. I normaly shoot in Manual mode.
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Shutter speeds in video mode

I just read the T3i cannot autofocus in video mode, true?
On T5i can the shutter speed be set when taking video? Sometimes I need fast shutter so fast moving objects are not blurred.

Hi erokc!
Thank you for posting.
The EOS Rebel T3i can autofocus, but it works the same as when you are shooting still images. You need to activate autofocus every time you want the camera to focus the lens and before you start recording. Continuous autofocus is not possible.
When shooting movies in manual on the EOS Rebel T5i, the shutter speed, aperture and ISO can be set manually.
This didn't answer your questions? Find more help at Contact Us.
Did this answer your question? Please click the Accept as Solution button so that others may find the answer as well.

Shutter speed verses sharpness: Canon 6d @300mm no IS.

I recently sent my camera back to Canon for recalibration after I noticed all of my telephoto shots seems to be fuzzy after cropping. The results came back and they basically found nothing wrong with the camera or lens..
My question is based on the results below is there a shutter speed for taking telephoto shots where the sharpness falls off due to internal vibration of some sort?
I am also at a loss as to why mirror lockup ,(with MF) would not be the same as a shot using live view with AF.
Is there shutter movement that occurs during mirror lockup using eyeview that does not occur using LiveView AF?
(I have not performed this test at higher shutter speeds due to internal lighting issues)
I performed these tests using the following fixed points:
RAW mode
focal length 300
Fstop 5.6
ISO 200
Shutter speed 1/60
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Camera mounted.
All shots were taken with 10 second shutter delay
Calibration target area is dead center of focus area.
Here are the tests I performed:
1.LiveView AF mode: sharp as a tack consistently
2.LiveView Quickmode: slightly less sharp but still extremely good
3.EyeView Miror Lockup,(switched to MF after allowing LiveView AF mode to find focus)
4.EyeView No MirrorLock,(switched to MF after allowing LiveView AF mode to find focus)
1.LiveView AF mode
2.LiveView Quickmode
3. Eyeview Mirror lockup
4.Eyeview NO Mirror lock
Solved!
Go to Solution.

1/60 second is usually too slow with a 300mm lens. Even with IS, which the Exif data say you're not using, it would be problematical.
Bob
Boston, Massachusetts USA

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Solved!
Go to Solution.

If you need to change the shutter speed for a long exposure shot, you will need to be in the specific scene mode of the camera and choose the Long shutter mode. Then you can select a shutter speed. You cannot choose a shutter speed in other modes with that camera.
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Suggestion - 5D3 minimum shutter speed for auto ISO

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