The Cavision MBF4SA is a pair of side flaps for both the 4x4 and 4x4.45 matte boxes. The side flaps increase the ability of the matte box to block unwanted light, preventing a multitude of optical anomalies, such as lens flares.
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Cavision MBF-4SA Overview
Cavision MBF-4SA Reviews
Creative
By Advimm
Rated 3 out of 5
Date: 2010-06-30
I use the side flaps to control lighting that enters the lens for documentary and film. They work good and do the job but the material is not that impressive!
Works great but seems a bit fragile
By Farkatt
Rated 3 out of 5
Date: 2009-12-10
Works great but seems a little bit fragile. Plastic.
See any errors on this page?
material? and how can i use it on other matte ...
material? and how can i use it on other matte boxes?
It is aluminum. In order for it to be used on other matte boxes, your third party matte box needs to have inserts that accept the two screws on each ear.
Date published: 2021-04-05
How do you attach the side flaps on the Cavision ...
How do you attach the side flaps on the Cavision 4 x 5.65" Matte Box. There re no female hinges for the male hinges of the flap?
The Cavision MBF4SA Adjustable Side Flaps for 4x4 and 4.45 Matte Box are not designed for the Cavision 4 x 5.65" Matte Box.
Date published: 2025-05-19