Manfrotto RC4 Quick Release System #354  type_Developing Tanks it can be pressed into

it can be pressed into service to shoot 120 as well

and will cut the amount of light by two f stops

and it has some of the light handling wear typical to the finish: some edge lightening

optics are clean and clear

Manfrotto RC4 Quick Release System #354 &nbsptype_Developing Tanks it can be pressed intoThe Manfrotto RC4 Quick Release System #354 system lets you adapt any tripod or accessory to use Manfrotto RC4 plates a great solution if you're working with bigger cameras. The QR system base attaches via either 1 4" or 3 8" inner threads; the RC4 plate has a 1 4" bolt for camera attachment. Includes one base and one RC4 plate.