Fotolux Studio Background Supp Expand Core Grip with Metal and Weight (Pair, Metal) SONYSN Screws onto the lens with

Screws onto the lens with a fluid action

Firmware upgrade is required when using Mount Adapter FTZ

An included BlackRapid FR-5 FastenR Breathe creates a connection point using a camera or lens's 1/4inch-20 tripod mount

realistic rendering

and the aperture ring has 1/3-stop click stops for more precise exposures

Fotolux Studio Background Supp Expand Core Grip with Metal and Weight (Pair, Metal) SONYSN Screws onto the lens withThis Fotolux Studio Background Support set includes 2 expandable core units with a manual chain to adjust your paper or vinyl rolls up and down with ease. Control the unit with the screws on end to expand the unit from 45mm to 50mm. This is a cost effective, and easy way to set up your backdrop without requiring an extra rod.