ALPINE ASTRONOMICAL Baader Semi-APO Filter (1.25") Ricoh HC-1 94" (113 to 710 mm)

94" (113 to 710 mm) Finish E-Coat covered with outdoor powder paint Certifications RoHS compliant

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and is comparatively lightweight at 4

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ALPINE ASTRONOMICAL Baader Semi-APO Filter (1.25") Ricoh HC-1 94" (113 to 710 mm)Enhances Views Through Achromatic OTAs Combines Fringe Killer & Moon Skyglow For Planetary and Deep Sky Viewing Ideal for Mars Observation Photography Fits 1. 25" Eyepieces and Accessories Neutral Color Transmission UV IR Cut Coatings Eliminate color fringing and darken the sky when looking through your achromatic telescope with the 1. 25" Alpine Astronomical Baader Semi APO Eyepiece Filter to make it perform more like an apochromat. This specially