Deardorff Lens Board Gel/Filter Slot
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Deardorff Gel/Filter Slot

This 6" Deardorff style board, mounted with a large barrel lens, carries a secret weapon. While a threaded filter adapter was machined for the front of the lens, the rear of the lens board was also redesigned to accept 4 1/2" square gels/filters. We were able to pursue this direction because the lens did not protrude past the back of the lens board. The receiving slot was milled directly out of the plateau on the lens board and black flocking was apply to the surface to avoid any reflection and prevent scratches.

© 2016 S.K. Grimes
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