I put a cheap Vivitar 28/2.8 MF M type lens on the D this
morning to see what the results would be.
Though it's certainly not a sharp lens the results weren't
as bad as I expected.
Here's the wierd part:

1.) No matter what I focused on, the lighting, or how carefully
I steadied the camera I NEVER GOT an "in focus" indicator
on the D!

2.) The D's shutter WOULD FIRE no matter how in/out of
focus the subject was OR where the focus mode switch
on the D was set!

Though this lens is certainly not a "keeper", it apperars
normal as far as being a standard KM mount and seems
to be sharp/contrasty enough to activate the in focus light.
My usual experience with WA lenses on the D is that they
will indicate in focus even when they're not.
And the part about the shutter firing even when out of
focus in AF-S or AF-C mode is really strange.
I've tried matrix, spot and selective focus point,
doesn't matter!
Anyone else ever seen this?
Only lens I've tried that behaves this way.

Here's a sample from the 28:
http://www.donsauction.com/PDML/Turtle.jpg

Don

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