The M-PPF50 Spring-Loaded Filter Holder supports 2 in. (50.8 mm) square filters with a thickness of up to 5 mm. Two steel springs hold the filter on a frame with a 1.57 in. (40 mm) clear aperture. Two M-PPF50 filter holders can be screwed to one another to form a unit that holds two filters. This filter holder has an M6 threaded hole for post mounting.
The M-PPL17 clamping filter holder supports any size optical component with a thickness of up to 12 mm. The components are held securely by their edge with a clamp that is thumbscrew tightened. The clamp is equipped with a broad support roller covered with thick plastic to protect the optic. An M6 threaded hole is available for post mounting. In addition to holding filters, the M-PPL17 is useful for mounting resolution test targets, diffusers, and alignment targets.
