Paraboloidal primary mirror diameter of 24 inches (effective 605 mm), I personally ground,polish, hand figure,No aluminum plating. the focal length of 2060 mm, 200 times the perfect imaging, special visual deep space, globular clusters of nebulae and star clusters can be decomposed, observable details. The main mirror for K9(BK7) optical glass, edge thickness 35mm, weight 23kg. I will cover the shipping.Packing EPE model with carton,Ensure that no danger of anything going wrong!
Ronchi grating 4 lines per millimeter
Filed under: Eyepieces & Accessories