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Exlpore Scientific (Bresser) 208MM Newtonian F/3 OTA


List Price: $499.99
You save: 30%

Price: $349.99


  • Manufacturer: Explore Scientific
  • MPN: BR-N20839
  • SKU: BR-N20839
  • Availability: Ships from Warehouse

  • 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 HR Coma Corrector for pinpoint stars across the field. 

  • Comes complete with Aluminum Tube; No Tool Secondary Collimation; ES 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.

 

Primary mirror208mm Diameter; Aluminum with SiO3 Overcoat; Special low expansion H-PZ33

Description N20839 Newtonian
Item Number BR-N20839 
Focal Length 812mm
Focal Ratio f/3.9
Eyepieces Accepts 1.25" and 2" Eyepieces 
Material Secondary mirror 71.45mm Minor Axis (34% Obstruction);
 
97% Reflective EMD Coatings; Low Thermal Expansion Borosilicate Glass 





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