Mirror, objective, 4.5"
USD $24.00
4.5"/900mm Objective mirror with 1.0MA Elliptical secondary. Aluminum with SiO2 overcoat
The standard 114mm Diameter, 900mm focal length optics used with many commercial Newtonians. Includes the 25mm minor axis elliptical flat. SiO overcoat
4.5F8S
100 Items
2020-02-02
4.5"/900mm Objective mirror with 1.0MA Elliptical secondary. Aluminum with SiO2 overcoat