Future Optics CLS Filter - 1.25" Mounted

Future Optics CLS Filter - 1.25" Mounted
Item # OFU-CLS-1
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  • The Future Optics CLS filter is a 1.25" light pollution reducing filter.
  • Minimizes the affects of city lights.
  • Mounted in a 1.25" threaded metal cell.


Future Optics 1.25" CLS Filter

Looking for a way to get rid of pesky city light pollution? We have the solution for you!

CLS Filters are a must have item for those who live in the city and have trouble viewing the sky in its natural glory.

The Future Optics 1.25" CLS filter is a city light suppressing filter that will minimize the effects of street lights and light pollution by blocking the same wavelength of light that most street lights emit.

Additional Information

Additional Information

Manufacturer Optics Future
Type of Filter Light Pollution Reduction
Filter Usage Imaging, Visual
Single or Set? Single Filter
Filter Size 1.25"
Filter Shape Round
Filter Mounted? Mounted
Warranty 1 Year Warranty
Included Items

Included Items

  • Future Optics CLS Filter - 1.25" Mounted
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