Bresser Aluminum 208mm Newtonian - Discontinued
We introduce this High quality and functional The BRESSER N20839 Newtonian, with its large 208mm aperture and short 812mm focal length, which gives a fast, rich-field optical design perfect for wide-field deep sky astrophotography and visual observations of stellar clouds, nebulae, and galaxies. This quick Newtonian features no-tool knob collimation of the primary and secondary mirrors to make precise collimation adjustments easy. Use the optional HR Coma Corrector to pinpoint stars across the field.
Bresser Aluminum 208mm Newtonian Specifications:
| Description | N20839 Newtonian |
| Item Number | BR-N20839 |
| Focal Length | 812mm |
| Focal Ratio | f/3.9 |
| Eyepieces | Accepts 1.25" and 2" Eyepieces |
| Weight | 22lbs |
| Primary mirror | 208mm Diameter; Aluminum with SiO3 Overcoat; Special low expansion H-PZ33 |
| Material Secondary mirror | 71.45mm Minor Axis (34% Obstruction); 97% Reflective EMD Coatings; Low Thermal Expansion Borosilicate Glass |