M42 Carl Zeiss on a Nikon: / Infinity focus for your Tessar without corrective glass

The first video in an ongoing series testing out a prototype lens converter for the Carl Zeiss Tessar (Zebra) for the F mount Nikon DSLR. I compare the common standard metal M42 adapter against this re-engineered lens backplate. The idea is to convert these great lenses into native Nikon F-mount lenses without needing any corrective glass.
Periodically I will update my progress of this project, so keep your eye out for the latest video.
I will also be offering these globally on eBay, just search for pixelvalve on eBay to find them.