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YOU ARE HERE >> HOME | FILTERS | GSO IR Blocking Filter

GSO IR Blocking Filter 1.25" 1560 + 18% GST

This filter has an extremely sharp cutoff at 690nm yet leaves all the visible red, including the important 656nm H-alpha emission line, preventing IR wavelengths from blurring fine detail in your digital images.

Recommended for use with CCD, Video & WebCams for sharper images. Works with any CCD Camera, Eyepieces or Adapter that accepts 1.25" cells.
  • Threads to camera, eyepiece, or adapter with standard 1.25” threads, and can be stacked with other threaded 1.25” filters.
  • Optical filter blocks IR light from entering digital cameras, preventing star bloating and increasing sharpness of Moon and planets.
  • Sharp cut-off at 690 nm blocks IR light while passing visible red light, especially the important 656 nm hydrogen-alpha emission line.
The filter cell is beautifully machined and black-anodized with threads on both sides (male on one side and female on the other), so you can stack this filter with other 1.25" filters. 
 

Specifications:

  • Total item length (including external male thread) = 11.1mm (0.44")
  • Clear aperture = 26mm (1.02")
  • Weight = 0.2 oz.
  • Filter thread specification = M28.5x0.6
  • Made in Taiwan
 
 
 
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