Reduces the matte box rear from 143mm to 117mm. A 138mm round filter can also be placed in the front of the rubber donut. Threaded adapter rings can also be used to reduce the diameter further.
Reduces the matte box rear from 143mm to 117mm. A 138mm round filter can also be placed in the front of the rubber donut. Threaded adapter rings can also be used to reduce the diameter further.
