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Threaded filter rings

from Andover

In addition to our standard rings, Andover offers a variety of threaded ring mounts. Standard sizes and thread pitches enable the user to attach the filter securely to equipment.

Features

Industry-standard sizes
Adaptable to most of our standard products
Laser-engraved identification

Specifications
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Specifications

Thread size (mm)	OD (mm)	Clear aperture (mm)	Part Number
M27.0 x 0.5	29.5	23	RING-M27
M30.5 x 0.5	32.5	26.5	RING-M30.5
M37.0 x 0.75	39	32	RING-M37
M40.5 x 0.5	42	36.5	RING-M40.5
M46.0 x 0.75	48.5	41	RING-M46
M49.0 x 0.75	51.5	44	RING-M49
M52.0 x 0.75	54	47	RING-M52