Promaster Extension Tube Set for Canon EF brand_Velbon This adapter allows you to

This adapter allows you to mount Hasselblad V (or F

Shutter speeds are good from 1/25s and up- lower speeds stick

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

and solid build quality

A very compact

Promaster Extension Tube Set for Canon EF brand_Velbon This adapter allows you toA 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.