Manfrotto Autopole lens mount_Mamiya RZ loses about a stop and

loses about a stop and a half of light

with a 12mp sensor

the 75mm f3

There is a small amount of oil on the diaphragm blades that does not impact function

The Nikon MB-D10 is a vertical grip and battery holder for the Nikon D300

Manfrotto Autopole lens mount_Mamiya RZ loses about a stop andThe Manfrotto Autopole is a handy accessory that lets you set up a clampable column in seconds, ideal for attaching lights and fixtures. It friction fits between floor and ceiling (up to about 9 feet tall) and locks into place with a large, easy to operate handle. Clamps and accessories are not included: this is just an Autopole. Light cosmetic wear, good function.