Celestron 94123 1.25-Inch UHC/LPR Filter (Black), full-size full-size Filter

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Celestron 94123 1.25-Inch UHC/LPR Filter (Black), full-size full-size Filter

Regular Price: US$155.00

Special Price US$129.99

Availability: In stock

Category: Electronics Camera & Photo Accessories Telescope & Microscope Accessories Telescope Accessories Filters

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Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light. This includes mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. sky glow). The new ultra high contrast (UHC) LPR filter has improved contrast over the typical broadband filters. Sky background is darker, and contrast of emission nebulae are noticeably improved. The advanced technology coatings enable the filter to achieve an outstanding transmission of over 97% across the entire bandpass, with total blockage of prominent light pollution lines. The perfect filter for viewing nebula from light polluted skies, or for boosting the contrast of nebula from dark sky sites. In addition to it's optimum spectral and optical characteristics, the UHC/LPR filter offers important features that set it apart and result in the highest quality celestial views: The multi-layer dielectric coatings are plasma assisted and Ionbeam hardened using the latest technology for durability and resistance to scratching. Improved transmission translates to maximum image brightness and contrast. Users of smaller, 4"-11" telescopes will especially appreciate the high efficiency, and larger scope users will love the rich star fields and detailed subtle nebular shadings that are left intact. The high transmission, sharp cutoffs, and more moderate 60nm passband of the UHC/LPR filter retains a more natural view, yet significantly boosts overall contrast. Imagers will appreciate the broader bandpass and inclusion of an extremely efficient H-Alpha passband (656nm).

Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light.

Water Resistance Level: Not Water Resistant. Photo Filter Effect Type: Enhancing. Coating Description: No Coating. Photo Filter Thread Size: 31.75 Millimeters. Brand: Celestron. Country of Origin: China. Manufacturer: Celestron. Date First Available: June 17, 2003. Is Discontinued By Manufacturer: No. Best Sellers Rank: #54 in Telescope Filters. Customer Reviews: 4.2 out of 5 stars 118 ratings 4.2 out of 5 stars. Item model number: 94123. : B00080L42K. Item Weight: 1.06 ounces. Product Dimensions: 2.5 x 0.5 x 2.5 inches.