The Lee Double Filter Hood is a filter holder with a built-in compendium lens shade. It accepts two 4" (100mm) wide x 2mm thick filter. The self-supporting, compendium-style bellows expand to the required position without using guides or rails. This item attaches to the lens via optional adapter rings. It can be modified to function as an accessory lens hood for a standard Lee filter holder with the addition of optional Lens Hood Rails, B&H catalog #LERLH.
