About this product
Part Number: 6675
Japanese made Borg 77EDII f/6.6 refractor with ED glass element, which significantly reduces chromatic aberration.
Includes a Borg 2" Rack & Pinion focuser with fine focusing knob for smooth, accurate focusing.
Modular Borg design allows you to reconfigure the scope for visual observing or to disassemble it for ultra portability.
Includes a 2" eyepiece holder for visual use.
77mm EDII Objective
- Focal length: 510mm
- F-ratio: 6.6
- Weight: 500g
- Length: 110mm
Borg Rack & Pinion Focuser
- M68.8/P0.75 male at the objective side
- M57/P0.75 female at the camera side
- 79-144mm long (65mm focus travel)
- 2mm stroke per rotation of 30mm diameter fine focus knob
Telescope Field of View Simulator
What's in the box
- 2179 - 77EDII Objective
- 7803 - 80mm Dia. 205mm Tube
- 7051 - 80mm Dia. 50mm Tube
- 7801 - M77.6 to M68.6 Adapter
- 9850 - Rack & Pinion Focuser
- 7504 - 2" Eyepiece Holder SII
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