AstroZap Glass Solar Filters Size:41mm-48mm (clear aperture 38mm) 2” (51mm) to 2 ¼”

2” (51mm) to 2 ¼” (57mm)

Designed for use with 400mm to 660mm focal length refractors with f/5 to f/7

375" OTA Weight (with accessories) 20 lbs Dob Base Weight 25 lbs Dob Base Measurements 29" x 20

With its long eye relief of 15mm

• Real Carbon Fiber side plates

AstroZap Glass Solar Filters Size:41mm-48mm (clear aperture 38mm) 2” (51mm) to 2 ¼”Description The sun is a fascinating, dynamic object. Its surface is surprisingly detailed and changes frequently. The observing hours are more convenient. However, there are a few rules to follow before using your telescope on the sun. The first rule of solar observing is never point your telescope at the sun without a proper filter. The second rule of solar observing is always inspect the filter before placing it on your telescope prior to observing