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About Orion

The Orion 1.25" V-Block Anti-Fringing Telescope Filter effectively removes the distracting color halos from around bright objects, greatly improving image sharpness, color, contrast and resolution. The V-Block works amazingly well with achromatic refractors of any aperture or focal length. Its sophisticated coatings selectively block wavelengths in the violet and blue (< 450nm) end of the visible spectrum, while allowing up to 95% transmission of the other wavelengths.

And you will find that you can push the magnification higher with the filter than without it because of the improved image definition. Objects also snap into focus more readily now that the fuzzy blue-violet fringe is attenuated. This 1.25" V-Block is a glass filter encased in an anodized aluminum cell. It threads into eyepieces, diagonals and barlow lenses threaded to accept 1.25" filters. Effective for visual use as well as CCD or film imaging. It comes with protective plastic case.

Orion Features

  • V-Block filter effectively removes the distracting color halos from around bright objects
  • Image sharpness, color, contrast and resolution are greatly improved
  • Includes protective plastic case - 1.25"

Orion Specifications

Filter size
Adjust light transmission
Filter cell
Anodized aluminum
Block wavelengths
Violet and blue (< 450nm)
Orion warranty

Reviews about this item

Reviewed by 1 customers




from Huntington n y  -  Casual/ Recreational

It came promptly However The ring holding the glass filter was loose and the filter obviously loose Quick fix but annoying

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