Contax RTW Power Pack projector Please note that "built like

Please note that "built like a tank" also means this lil fella also weighs 1

and a built in remote flash sensor for off-camera use with compatible Speedlites

with a slight ding in the filter ring which does not affect filter mounting

5 lens and a flash-off button

the battery contact does have some surface corrosion

Contax RTW Power Pack projector Please note that "built likePower 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 battery inserts, too (inserts are not included). In excellent condition, with cable. Belt case not included.