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Steve G.
Steve G., Engineer
Category: Camera and Video
Satisfied Customers: 17987
Experience:  30 years of photography experience and 10 years of camera repair. Own a D300S, D40 and P7000.
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My D810 is giving me a dark image in the viewfinder and I

Customer Question

my D810 is giving me a dark image in the viewfinder and I have to hold the AF-L button to actually take a photo. Why?
Submitted: 11 months ago.
Category: Camera and Video
Expert:  Steve G. replied 11 months ago.

Hello there and welcome to Just Answer. My name is ***** ***** I will be assisting you today. I am an engineer with over 30 years of electrical and electronic training, repair and installation experience. I will try and answer your question accurately and precisely so that we can get you on your way.

Do you have more than one lens? If so, does this problem appear with other lenses?

Let me know.

Customer: replied 11 months ago.
no just one lens
Customer: replied 11 months ago.
I don't want to "upgrade" to a phone call. I've already paid
Expert:  Steve G. replied 11 months ago.

Ok. Remove the lens. If you look at the part of the lens that mates with the body of the camera, there will be a small lever. This is what closes the iris of the lens when you snap a photo. Does that lever move freely?

(The site is sending you the phone call requests - not me. Sorry about that).

Customer: replied 11 months ago.
Thank you.
I don't see the lever, what does it look like? I'm using a Sigma 28-300 zoom lens.
Customer: replied 11 months ago.
Thanks Steve,
I just moved the lever on the lens and it's now fine.
Expert:  Steve G. replied 11 months ago.

Excellent. Sometimes that lever can get gummed up. Keep it clean with rubbing alcohol on a q-tip.

I'm glad we got it fixed.

Please be sure to rate the service you received today. It's like an Amazon rating that appears next to my profile.

Thanks very much.