GH3 Nikon AIS? which has focus issue

swaneon

swaneon

Well-known member
I was wondering which of the nikon lines have the focus issue where they can't either focus close or far (im not sure which)?
I heard it was either the ai or ais
 
swaneon said:
I was wondering which of the nikon lines have the focus issue where they can't either focus close or far (im not sure which)?
I heard it was either the ai or ais
Click to expand...

Neither. AI stands for "auto indexing", on the old Nikon F you had to mount the lens, then twist the aperture ring to both extremes to "index" the lens so the camera metering system "knew" what the minimum and Maximum apertures available were. AI and AI-S fixed that so mounting the lens was all you had to do.

AI-S was simply a refinement that let the lens work with advanced features of some of the (at the time) newer camera features.

The problem you reference is likely due to faulty tolerances on some of the "churned out in mass" Chinese adapters. I had one you couldn't even mount the lens on. Two replacements had the same problem. Now, I'm having no problems with a $17.95 Rainbow Imaging Nikon to m4/3 adapter and a Nikkor 50mm AI-S f1.8 and a 135mm AI-S Vivitar f2.8.
 
You must log in or register to reply here.
Back
Top