Enables you to flag off extraneous light from the top
Easily removable and adjustable
Can be used as a cover to protect the front of the lens
Top clasp keeps French flap in open position and also allows you to fine tune its position
Compatible with MB4169H, MB413B and MB4510H series matte boxes (*for MB410H models use MBF-4H french flap)
Note: it is recommended to order flap together with matte box for proper configuration and attachment