F10 Barn Doors

It’s perfect at what it is supposed to do!

Huge, but great

This thing is ginormous and hard to know how to store and transport. . . but they're solid and they get the job done.

Cumbersome

Doors are heavy and clunky. You also need to build a sleeve on the side of the case to hold them so they stay with the fresnel and not just somewhere else. Or build on the side of the 690 case