Anthis/Nexus Focus Gear FG-EFM100F28 for Canon EF 100mm F2.8 Macro Lens @lensmount the larger diameter reduces edge

the larger diameter reduces edge distortion on pictures taken with certain super-wide angle lenses and makes shooting over-under shots (half-in

The lens barrel has threaded wall to adjust lens position back and forth to accommodate with different master lenses among many compact digital cameras (*6)

the average water enthusiast

［Length］S: 31cm / 12

Panasonic "eneloop"

Anthis/Nexus Focus Gear FG-EFM100F28 for Canon EF 100mm F2.8 Macro Lens @lensmount the larger diameter reduces edgeThis focus gear enables manual focus adjustment for the Canon EF 100mm F2. 8 Macro lens via the housing's focus zoom knob when used with Anthis Nexus dSLR housings.