Threaded Mount

  • Designed for lenses with filter threads, a variety of filter types and stock threaded sizes are available: M13.25-M105
  • Larger sizes, 62mm to 105mm, are made to order and are not returnable
  • Custom thread sizes are available upon request
  • Black anodized aluminum rings
  • Rotating mounts with locking thumb screws are available upon request and come standard with Polarizing Filters

Download Technical Drawing

How to Order

To order a filter with a threaded mount, first select a filter (e.g. BP470) and add the mount size (e.g. M27) to build your part number (e.g. BP470-27). For help building your filter part number, visit an individual filter page.

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All dimensions below indicated in mm
Tolerance: +/- 0.3mm

Mount Size
Thread Dia x Pitch
Part
Suffix
Outer
Diameter
Clear
Aperture
M13.25 x P0.5 -13.25 14.4 10.6
M22.5 x P0.5 -22.5 24 18.5
25.4™ C-Mount -25.4 25.2 19.5
M25.5 x P0.5 -25.5 27.5 21
M27 x P0.5 -27 29 22.5
M30.5 x P0.5 -30.5 32.5 25.5
M34 x P0.5 -34 36 29
M35.5 x P0.5 -35.5 37.5 30.5
M37 x P0.75 -37 39 31.9
M37.5 x P0.5 -37.5 39.5 32.5
M39 x P0.5 -39 41 34
M40.5 x P0.5 -40.5 42.5 35.5
M43 x P0.75 -43 45 38
M46 x P0.75 -46 48 41
M48 x P0.75 -48 50 43
M49 x P0.75 -49 51 44
M52 x P0.75 -52 54 47
M55 x P0.75 -55 57 50
M58 x P0.75 -58 60 52.9
M62 x P0.75 -62 64 57.1
M67 x P0.75 -67 70 61.8
M72 x P0.75 -72 75 66.9
M77 x P0.75 -77 80 71.9
M82 x P0.75 -82 85 76.8
M86 x P1.0 -86 89 80.8
M95 x P1.0 -95 98.2 89.9
M105 x P1.0 -105 109.8 100