Contax RTW Power Pack lens mount_M42 ) autofocus macro lens for

) autofocus macro lens for Nikon F mount cameras

but these do not have an effect on the imaging

You probably don't want to tuck this into your camera bag just in case- it weighs 4

5 constant aperture

The original Blackmagic Pocket Cinema Camera is a tiny camera designed to do one thing: shoot really high quality full HD video

Contax RTW Power Pack lens mount_M42 ) autofocus macro lens forPower your Contax Real Time Winder externally with this power pack. Toss in the AA battery insert from your Real Time Winder and hook your camera up with the included power cord. Why would you do this? Well, if it's cold out, you can stash this holder in a pocket and prolong your battery life. It's quicker to swap batter inserts, too (inserts are not included). In good condition, with some splitting in the finish of the external vinyl case.