Available sizes

Available Sizes

All Astronomik filters are available in a wide range of sizes. You will find all available sizes of your selected filter on it´s page.

Usually we offer the following sizes of mounted and unmounted filters:

Filters mounted in threades cells:

  • filter mounted in 1,25" cell (thread M28,5 x 0,5)
  • filter mounted in 2" cell (thread M48 x 0,75)
  • filter mounted in SC cell (thread 2" SC-thread)
  • filter mounted in T-cell (T-thread, M42 x 0,75)
  • filter mounted in cells for photographic lenses up to M77 are usually available upon customers request with a production time of one week.

Filters with protective rings for filterwheels (without thread)

  • round filter with 31mm diameter (optical Thickness 1mm / mechanical Thickness 3mm)
  • round filter with 36mm diameter (optical Thickness 1mm / mechanical Thickness 3mm)
  • round filter with 50mm diameter (optical Thickness 1mm / mechanical Thickness 3mm)

Unmounted filters:

  • unmounted square filter with 50mm x 50mm (optical and mechanical Thickness 1mm)
  • unmounted round filter with 27mm diameter (optical and mechanical Thickness 1mm)

Clip-Filter for Camera systems:

  • Clip-Filter for Canon EOS APS-C cameras
  • Clip-Filter for Canon EOS Full Format cameras
  • Clip-Filter for Canon EOS M cameras
  • Clip-Filter for Sony Alpha 7 and 9 cameras
  • Clip-Filter for Nikon APS cameras (coming soon)
  • Clip-Filter for Nikon Vollformat cameras (coming soon)
  • Clip-Filter for Pentax K1 (coming soon)
  • Clip-Filter for Sigma cameras

If you need filters with other dimensions please have a look at your page about custom made filters with special sizes.