Now for something you've not seen before;
I know, tiny and light isn't a huge concern if you're into the giant cameras. Just wanted to have a catchy title is all. But this wee lens is a power house! And I've not seen another like it anywhere.
I think it's probably a copy of the Series IV Zeiss design, but max aperture is just f16. Since it states it's a medium wide angle, my guess is it probably see's 90 degrees. More than a Dagor.
The lens itself is about the size of an f6 210 Xenar in Copal 1. But much older of course and in the wee Ilex which works spiffy by the way.
I've had it on my 9.5 X 20" and it's a pleasure. I didn't have any trouble focusing at f16 out of doors in good light. I think it's worth
$295.00