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SVBONY SV132 Telescope Filter, 2 inches H-Beta Narrowband Filter, 25nm Visual Nebulosity Eyepiece Filter, for Horsehead Nebula California and Cocoon Nebulae in Dark Skies
2 Eyepiece Filter; with metal mount 2 filter threads For Horsehead Nebula California; and Cocoon Nebulae in Dark Skies Mainly aimed at the 486nm (blue) line spectrum nebula; filters out the interference of other light; can improve the contrast of the nebula Through the use of filters; the Horsehead Nebula can be clearly seen; filter with metal mount 2 filter threads; threaded to fit 2 eyepieces and threaded diagonal barrels To see a sufficiently dark nebula; ensure a large enough luminous

Price is $77.00
Price: $76.99