OPT Plastic Case for Focal Reducers & Rear Cell Filters

OPT Plastic Case for Focal Reducers & Rear Cell Filters
Item # OS-CFR
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  • Keep your Focal Reducers and Rear Cell Filters safe, clean and dry.
  • OPT Filter Cases are fashioned from plastic.
  • The filter case includes a foam insert for cushioning.
  • OPT Filter Cases are hinged to prevent the lid from getting lost.
  • The case dimensions are 67mm x 67mm with a 40mm depth. (2.64" x 2.64" x 1.57")


OPT Filter Case Focal Reducers and Rear Cell Filters

You're enjoying your lunar observing session and when it's time to pack it in for the night, you reach in your pocket and realize your filter case is gone. You're at a star party and lend a friend an OIII filter - it comes back, but the case doesn't. You've spent years babying that red filter you so enjoy to use on Mars, but you're tired of the broken hinge. You put your good light pollution reduction filter on, drop the case, and hear the sickening crunch as you step on it in the dark.

Do any of these sound familiar? It's a fact that if you use and enjoy your special astronomy filters that it's only a matter of time before something happens to the case. Now you can replace it with a filter case from OPT! These plastic storage boxes feature a hinged lid, they snap securely shut and also have a foam pad in the bottom. . It is just the right size for up to four 1.25" filter, one 2" filter, focal reducer, rear cell filter, or anything else that fits in a 2.64" x 2.64" x 1.57" box.

OPT Product Number: OS-CFR
Additional Information

Additional Information

Manufacturer OPT
Case Style Hard Case
Cases For... Single Accessory
Die-Cut Foam Included? Yes
Warranty 30 Day Warranty
Case Dimensions 2.64" x 2.64" x 1.57"
Included Items

Included Items

  • OPT - Plastic Case for Focal Reducers & Rear Cell Filters
  • Foam Liner
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