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Over exposed images from my CANON 5DSR suddenly

tdehan
Enthusiast

The past few times I've used my 5DSR the images are over exposed.  They are way to bright.  I have the ISO at 50 or 100 and they keep coming out to bright.  This is happening inside with little light so I can't figure out why this is happening.  When I am outside with little light it is even worse.  In order to correct it I have to engage Exposure Compensation.  I've never had to do this before.

 

Any suggestions or ideas why this is suddenly happening?

Canon EOS 5R
Canon EOS 6R
Canon EF 24-105mm f/4 L IS USM
Canon EF 16-35mm f/2.8L II USM
Canon MP-E 65mm f/2.8 1-5x Macro Photo Macro
Canon EF 180mm f3.5L Macro USM AutoFocus Telephoto
Canon EF 70-200mm f/2.8L IS II USM
Canon EF 50mm f1.4 USM
Canon EF 85mm f/1.8 USM
Canon EF 100-400mm f/4.5-5.6L IS USM Telephoto Zoom
Canon Extender 1.4 III
Sigma 105mm 1:2.8 DG Macro
Sigma 150-600mm F5-6.3 DG OS HSM | C
15 REPLIES 15

kvbarkley
VIP
VIP

I assume with multiple lenses?

 

Does it happen in live view?

 

Something might be blocking the exposure chip in the mirror box. You can look inside to see if anything is amis. You can use the sensor cleaning facility to look at the sensor, too.

Hmmm... I haven't tried with any of my other lens.  I've only tried this with my CANON Canon EF 180mm f3.5L Macro USM.

 

Yes, it happens in LIVE view.

 

I'm not clear what you mean by exposure chip in the mirror box.

Canon EOS 5R
Canon EOS 6R
Canon EF 24-105mm f/4 L IS USM
Canon EF 16-35mm f/2.8L II USM
Canon MP-E 65mm f/2.8 1-5x Macro Photo Macro
Canon EF 180mm f3.5L Macro USM AutoFocus Telephoto
Canon EF 70-200mm f/2.8L IS II USM
Canon EF 50mm f1.4 USM
Canon EF 85mm f/1.8 USM
Canon EF 100-400mm f/4.5-5.6L IS USM Telephoto Zoom
Canon Extender 1.4 III
Sigma 105mm 1:2.8 DG Macro
Sigma 150-600mm F5-6.3 DG OS HSM | C

It sounds like a Safety Shift is kicking.  There are actually more than one Safety Shift setting in Canon DSLRs.  Look at the bottom setting, which sets a limit on shutter speed. 

 

5C3C07C8-8526-420D-A81C-704621041540.jpeg

 

This is the one that everyone tends to overlook.  It is in the ISO menu.  The default is 1/125.  This setting only kicks in when you are shooting in P or Av modes.  I am willing to bet someone dialed this down to 1/8000 to get faster shutter speeds.  There is no way to override this setting, except to dial in 1/8000.

--------------------------------------------------------
"The right mouse button is your friend."

Min. Shutter Speed on my camera is set to AUTO.

Canon EOS 5R
Canon EOS 6R
Canon EF 24-105mm f/4 L IS USM
Canon EF 16-35mm f/2.8L II USM
Canon MP-E 65mm f/2.8 1-5x Macro Photo Macro
Canon EF 180mm f3.5L Macro USM AutoFocus Telephoto
Canon EF 70-200mm f/2.8L IS II USM
Canon EF 50mm f1.4 USM
Canon EF 85mm f/1.8 USM
Canon EF 100-400mm f/4.5-5.6L IS USM Telephoto Zoom
Canon Extender 1.4 III
Sigma 105mm 1:2.8 DG Macro
Sigma 150-600mm F5-6.3 DG OS HSM | C


@tdehan wrote:

Min. Shutter Speed on my camera is set to AUTO.


The AUTO setting means that the focal length of the lens will determine the minimum shutter speed.  The AUTO setting is the actual default.  When you dial in a manual setting, the default is 1/125.

 

I only pointed out this [setting] because it is able to override the exposure settings that you think you dialed in.  You have not really provided enough info for more insightful advice. A sample photo and exposure settings would be a good start to help others to better understand your issue(s).

--------------------------------------------------------
"The right mouse button is your friend."

1. Does it happen with more than one lens?

2. What mode setting are you using?

3. Have you tried resetting all camera settings in case some settings were activated inadvertently?

John Hoffman
Conway, NH

1D X Mark III, M200, Many lenses, Pixma PRO-100, Pixma TR8620a, Lr Classic

  1. Yes, this is happening on more than one lens. 
  2. I typically when taking pics of flowers shoot in Aperature Priority.  However, the issue is also happening in Shutter Priority mode.
  3. Yes, I have done a reset of the camera to factory defaults.

The attached image is an example.  I did not use a flash nor did I have the lights turned on in my white/black box.  And yet, the image is way to bright and blown out in parts.  The background should be jet black and even it's light.  It's almost like it is ignoring the ISO setting (which in the image below is 100 and boosting it very high) and or the shutter speed is being ignored for the apperature setting and slowing way down.  The details for the image below are:

 

Canon EOS 5DSR
Canon EF 180mm f3.5L Macro USM
f/3.5
1/4 sec.
ISO-100
180 mm
No Flash
Tripod & Shutter Release

 

In order to get a decent shot even in this situation is to crank way down the Exposure Compensation.  Which is really odd as there is no flash or external light on the subject.  Again, this has only recently started happening.  I am stumped.

 

302A3134_1600x1200.jpg

Canon EOS 5R
Canon EOS 6R
Canon EF 24-105mm f/4 L IS USM
Canon EF 16-35mm f/2.8L II USM
Canon MP-E 65mm f/2.8 1-5x Macro Photo Macro
Canon EF 180mm f3.5L Macro USM AutoFocus Telephoto
Canon EF 70-200mm f/2.8L IS II USM
Canon EF 50mm f1.4 USM
Canon EF 85mm f/1.8 USM
Canon EF 100-400mm f/4.5-5.6L IS USM Telephoto Zoom
Canon Extender 1.4 III
Sigma 105mm 1:2.8 DG Macro
Sigma 150-600mm F5-6.3 DG OS HSM | C

It is probably because you are processing in Adobe, but I noticed in the EXIF data that it reported the wrong focal length for the lens (105 instead of 180mm)  I was curious if there was an issue and grabbed a file I shot with my 5DS R and EF 180 f3.5, processed through DPP and the EXIF shows the correct lens and focal length identification.

 

The ISO is reporting as set according to EXIF and you were shooting with the f3.5 wide open so it isn't like you had selected a narrower aperture and have an issue with the aperture blades sticking at the point of exposure.

 

Set the camera for manual operation with the aperture @ f3.5, shutter at 1/4, and ISO at 100.  Set metering for spot and meter off the center of the blown carnation.  With this setup, does the meter in the camera show it is seriously over exposed?

 

Rodger

EOS 1DX M3, 1DX M2, 1DX, 5DS R, M6 Mark II, 1D M2, EOS 650 (film), many lenses, XF400 video


@wq9nsc wrote:

It is probably because you are processing in Adobe, but I noticed in the EXIF data that it reported the wrong focal length for the lens (105 instead of 180mm)  I was curious if there was an issue and grabbed a file I shot with my 5DS R and EF 180 f3.5, processed through DPP and the EXIF shows the correct lens and focal length identification.

 

The ISO is reporting as set according to EXIF and you were shooting with the f3.5 wide open so it isn't like you had selected a narrower aperture and have an issue with the aperture blades sticking at the point of exposure.

 

Set the camera for manual operation with the aperture @ f3.5, shutter at 1/4, and ISO at 100.  Set metering for spot and meter off the center of the blown carnation.  With this setup, does the meter in the camera show it is seriously over exposed?

 

Rodger


Yes, the same thing happens.

Canon EOS 5R
Canon EOS 6R
Canon EF 24-105mm f/4 L IS USM
Canon EF 16-35mm f/2.8L II USM
Canon MP-E 65mm f/2.8 1-5x Macro Photo Macro
Canon EF 180mm f3.5L Macro USM AutoFocus Telephoto
Canon EF 70-200mm f/2.8L IS II USM
Canon EF 50mm f1.4 USM
Canon EF 85mm f/1.8 USM
Canon EF 100-400mm f/4.5-5.6L IS USM Telephoto Zoom
Canon Extender 1.4 III
Sigma 105mm 1:2.8 DG Macro
Sigma 150-600mm F5-6.3 DG OS HSM | C
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