The Silvestri F140 Easy Bellows is a collapsible viewing bellows made to be used with the sliding back of their Flexicam camera, and comes with a 4x achromatic magnifier lens for critical ground glass focusing. Removing the 4x lens allows you to easily see the entire image area in bright light without the need for a focusing cloth.
Made to fit the Flexicam sliding backs
Allows both critical focusing and shaded all-over image observation
Collapses into small space for travel