Re: Problem (?) with FA 80-200 f4.7-5.6

[Joseph Tainter]

To detect problems with lenses sometimes you have to look through them 
at a variety of angles, with the incoming light at a variety of angles 
too. Look from the rear to the front.

I recently bought (and returned) an F* 300 f4.5 that appeared fine 
looking straight through. If one looked through from rear to front with 
a light source just outside the image circle, it was apparent that the 
rear element was covered in some kind of residue which appeared as small 
clumps.

This is a pretty good lens for the price. Everyone else reports 
satisfaction with it. New ones are available on eBay for only a few tens 
of dollars more than you paid for the used one.

Joe