Got these in a package deal... any idea what they're for??
A Russian lens with a 26.5mm filter thread.
Photography (not as up to date as the flickr site)--http://www.davidagoldfarb.com/photo
Academic (Slavic and Comparative Literature)--http://www.davidagoldfarb.com
I figured probably so... but what?
on the back of a Zenitar-K MC Fish eye 2.8/16mm
Ahh... thanks!! That certainly looks correct. There are TEN or more filters available for that Russian fisheye lens? Do these fit anything else?