Midwest Optical Systems offers filters in the following standard mounts. Most filters have both male and female threads to enable the ability to stack filters. For specific questions, please contact Machine Vision Direct.

Threaded Mounts

  • 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

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.

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
25.5 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

 

MidOpt Threaded Filter Mounts