The fastest c-mount lens I have ever seen

[stingOM]

Sill 50/0.26 Lichtriese!!! C - Mount - eBay (item 180609329709 end time Jan-16-11 11:35:14 PST)

 

[pdh]

ah but see this thread ! https://www.mu-43.com/f89/need-narrow-dof-8559/

 

[stingOM]

Cheers for the link. I missed that one! :smile:

 

[lenshoarder]

That's crazy. So bummed I missed it.

 

[AceStar]

If you read the thread pdh linked you'll see:

The lens has a f/16 aperture.

0.26 is the magnification factor. It has fixed focal distance (no focus ring, nor an aperture ring or blades I don't think) so it's designed to be mounted in some sort of machine and have controlled lighting.