Promaster Extension Tube Set for Canon EF brand_Velbon with manual wind and rewind-

with manual wind and rewind- but it also has a solid IR autofocus system and a built-in flash

The Bronica Zenzanon-RF 45mm f4 is a wide angle lens for the Bronica RF645 medium format rangefinder camera

very mod polka-dot packaging

it looks a bit dicey way up there

A very compact

Promaster Extension Tube Set for Canon EF brand_Velbon with manual wind and rewind-A set of three extension tubes for Canon EF mount: 12mm, 20mm, and 36mm. These tubes have the electronic contacts necessary to maintain autofocus and autoexposure capabilities. If you're curious about dabbling in macro work, this is an inexpensive way to get started. Includes front and rear caps.