208mm Newtonian f/3.9 Telescope - BR N20839 - Perfect for Astrophotography, Stargazing & Celestial Observation
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Description
Description
The BRESSER N20839 Newtonian with its large 208mm aperture and short 812mm focal length produces a fast, rich-field optical design perfect for wide-field deep sky astrophotography and visual observations of stellar clouds, nebulae, and galaxies. This fast newtonian features no-tool knob collimation of the primary and secondary mirrors to make precise collimation adjustments easy. Use with the optional for pinpoint stars across the field.
Comes complete with Aluminum Tube; No Tool Secondary Collimation; ES The Bresser 208mm Newtonian includes a Finder Scope Base; 2-inch Crayford Focuser with 1.25-inch Adapter with Integrated T-thread to attach optional T-thread Ring; Cradle Rings with Slotted Handle (can be an attachment point for piggy-back cameras; and Vixen-Style Dovetail; Front and Focuser Dust Caps; Weighs 22 lbs
Specifications
| Item Number | BR-N20839 |
| Focal Length | 812mm |
| Focal Ratio | f/3.9 |
| Eyepieces | Accepts 1.25" and 2" Eyepieces |
| Weight | 22lbs |
| Parabolic 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 |
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