Patent ID: 11921402
Assignee: LIGHT WIDOW, LLC
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 10:
11. The matte box of claim 10, wherein the at least one filter tray comprises:
a body configured to at least partially surround a perimeter of the filter; and
a compression clamp configured to secure the filter to the body, wherein the compression clamp comprises:
a clamp configured to engage an edge of the filter;
a rod coupled to the clamp, wherein the rod is slidingly and rotatably supported by the body, and wherein the rod comprises a threaded portion; and
a block threadingly engaged with the rod and captured at least partially within the body, wherein the block is moveable between at least a first position and a second position relative to the body via rotation of the rod, when the block is in the first position, the rod is slidable relative to the body such that the clamp is moveable in a direction substantially orthogonal to the edge of the filter, and when the block is in the second position, the block is engaged with the body and preventing the rod from sliding to secure the clamp to the filter.