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I'm a professional photographer. I've started having random…

Customer Question
I'm a professional photographer...

I'm a professional photographer. I've started having random focusing issues with both my D5 and 810 camera. The problem seems to have started with my 28-70 lens, but now is occurring with other lenses too and it's random. Sometimes the images are sharp and then all of the sudden will stay out of focus. Any ideas what could be causing this? I'm a Nikon Pro member but can 't fathom sending both bodies and lenses in for repair.

Technician's Assistant: What camera mode are you shooting in? Does your camera focus better in some modes than in others?

I've tried it all. Manual and auto modes.

Technician's Assistant: Is your camera's lens clear of any dirt, scratches, or smudges?

Yes it is.

Technician's Assistant: Anything else you want the Camera Expert to know before I connect you?

I've never used this site before so I'm not really sure how much else they need to know ...and how much does this cost to use? :)

Submitted: 2 months ago.Category: Camera and Video
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Answered in 4 hours by:
6/1/2018
Camera and Video Technician: Russell H., Service Tech replied 2 months ago
Russell H.
Russell H., Service Tech
Category: Camera and Video
Satisfied Customers: 12,951
Experience: 8+ years of professional experience
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Hi, thank you for contacting JustAnswer.com. My name is***** will do my best to provide the right answer to your camera question.

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Camera and Video Technician: Russell H., Service Tech replied 2 months ago

How old are the batteries you are using in those cameras? Are you using the same battery/batteries, or the same of anything else, in both cameras? (If 'yes', the batteries might be getting old perhaps, and impeding the proper and full functioning of the camera(s).)

Try cleaning the terminals in the battery compartment, after removing the batteries, first by rubbing off with a fresh pencil eraser, then by wiping the terminals off with cotton swabs moistened in rubbing alcohol, then letting them dry off for 5+ minutes with the battery compartment door open, then try turning the camera On again.

Generally a focusing problem is a problem in the camera body. But where in the camera body is the question in this case.

How many different lenses have you tried with these two camera bodies, in all?

How old is/are the camera(s)? in months or years since you bought it.

Has the camera(s) been dropped or otherwise subjected to mechanical shock(s) in its lifetime?
Has the camera(s) been operated in or subjected to, temperatures below 32 degrees F (freezing point) or above about 100 degrees F ?
Has it/they ever been subjected to a humidity higher than 85 % or gotten wet ?
Has the camera(s) been operated in a gritty or sandy environment, such as a beach, a seaside, a construction site, or the like?

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