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Occasional Contributor
Posts: 13
Registered: ‎09-16-2018
Accepted Solution

Black back screen

Hi, I have just purchased a 75mm-300mm zoom lenze. When I switched to manual settings both on camera and lenze the back screen turned black with nothing showing at all, I took several shots and they all turned black as well. I did remove the lenze cover which would be an obvious error. I have obviously, accidently, done something to make this hapen but I know not what. I am a newby to photography so if anyone can suggest a solution to this problem I will be more than greatful. 

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Esteemed Contributor
Posts: 4,135
Registered: ‎02-17-2016

Re: Black back screen

What camera?

 

Can you see light through the lens when you look through it?

 

If it is only with the manual settings, try taking an image in green square mode, and note the Aperture, shutter and ISO. Switch to Manual and repeat those settings. The exposure should be the same.

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Respected Contributor
Posts: 1,050
Registered: ‎01-25-2018

Re: Black back screen

It sounds like you are set to a very high F stop (and probably shutter speed also) or your lens isn't communicating properly with the camera and is stepping down too far for the actual photograph.

 

The lens aperture is set wide open until the photo is taken (for focusing, scene composing, etc.) so the viewfinder would appear normal but the photograph would come out heavily underexposed.

 

What does the exposure meter in the viewfinder show as you are composing/focusing?  What happens to your view through the viewfinder when you press the DoF (depth of field) preview button?

 

Rodger

EOS 1DX M3, 1DX M2, 1DX, 5DS R, 1D M2, EOS 650 (film), many lenses, XF400 video
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Reputable Contributor
Posts: 816
Registered: ‎12-24-2013

Re: Black back screen


@benbotto wrote:

Hi, I have just purchased a 75mm-300mm zoom lenze. When I switched to manual settings both on camera and lenze the back screen turned black with nothing showing at all.....................


Do not use Manual mode. Switch to program mode and see if that fixes your problem. 

Mike Sowsun
S110, SL1, 80D, 5D Mk III
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Occasional Contributor
Posts: 13
Registered: ‎09-16-2018

Re: Black back screen

Hi KV, I am not having any luck with this problem, although I have a feeling I may have the answer. Before I tried my new zoom Lenz I had my camera set for HDR it is still on that setting, can you advise how I can remove the Expo.comp./AEB setting, (my camera is the EOS1300D) and see if that solves the problem? I tried the green square mode but the result was the same.

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Esteemed Contributor
Posts: 4,135
Registered: ‎02-17-2016

Re: Black back screen

Can you see through the viewfinder with the lens attached?

 

HDR is not AEB. I suggest you just reset the camera settings. It should be in one of the menus.

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Frequent Contributor
Posts: 56
Registered: ‎04-08-2018

Re: Black back screen

One last question that may help in troubleshooting the issue. What is the lens youmake Canon,or other, and is it EF-S or EF (assuming one of those since you are able to mount it on the camera.)?

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Esteemed Contributor
Posts: 4,135
Registered: ‎02-17-2016

Re: Black back screen

He told us, it is the cheap Canon 75-300 zoom telephoto. Not my first choice, but it should *work*.

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Occasional Contributor
Posts: 13
Registered: ‎09-16-2018

Re: Black back screen

Yes, I can see through the viewfinder with the Lenz attached. The Lenz is the EF.

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Respected Contributor
Posts: 1,410
Registered: ‎03-01-2014

Re: Black back screen

When you put your other lens back on does the camera work properly with the same settings?

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