Alley in Pisa, Italy

by Lars Kotthoff

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1
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4answers
4k views

What does CHA mean on Nikon D-90?

I have a Nikon D90 camera body and today I started getting a CHA error on the display on the top of the body that shows f-stop and other settings. Looking around, I do not find a definition for ...
2
votes
5answers
3k views

What should I do about Nikon D90 intermittent shutter release failure?

Over the last few months, I have noticed a problem with the shutter release on my D90. Most of the time, the shutter release works ok. But sometimes, both half-press and full-press fail to work. ...