Promaster Extension Tube Set for Canon EF brand_Velbon Not a magnifying finder: this

Not a magnifying finder: this one shows the full focusing screen

very mod polka-dot packaging

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

as nature intended

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

Promaster Extension Tube Set for Canon EF brand_Velbon Not a magnifying finder: thisA 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.