Time to be with your loved ones

Time to be with loved ones

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1
vote
3answers
177 views

When a lens and camera are callibrated together, which is changed, and might other lenses be adversely affected?

I wonder what exactly is the calibration of a camera body and a particular lens. I know the effect, but how it is achieved? I recently bought 80-200 (the two-ring version), I was waiting for too ...
3
votes
2answers
1k views

Can a drop of a camera+lens cause AF calibration issues on either — or both — the lens and the body? What are the mechanics involved here?

My question is, if you drop a camera, and you think you might have an AF issue, what are the mechanics involved that might cause a mis-calibration? I can imagine that the lens has movable parts -- ...
2
votes
3answers
881 views

Is it possible to physically calibrate a Nikon 50mm 1.4G

Having just bought a Nikon D800, i decided to have a play with the 50mm 1.4G on it. I noteced it was back-focusing by about 2cm so tweeked the AF fine-tune. however thats now maxed out at -20 and its ...
6
votes
1answer
300 views

Will a firmware update/change erase Canon's service center lens calibration settings?

Since it's pretty cheap in Korea, I sent all my prime lenses and my new Canon 60D to be calibrated at the local Canon service center so they can be "matched" to the body. If I install a newer updated ...