Sharpstar RC308 3" Focuser & 2.5" 0.8x Reducer for 10-16" GSO RC Telescopes
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- This item is out of stock.
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Original manufacturer description below. Improved Agena description coming soon.
The new Sharpstar RC308 kit includes a 3inch R&P focuser and a 2.5inch 0.8x RC reducer, supports full-frame!
Suitable for RC systems above 10-inch diameter, can be used for GSO RC perfectly!
Specifications:
- Suitable models: 200mm-600mm RC system primary lenses
- Focal ratio range: F6-F9
- Defocus magnification: 0.8x
- Image circle: full frame 44mm
- Lenses: 3 pieces
- Outer diameter: 74mm (excluding outer ring)
- Backfocus: 55mm (M48 thread end to focal plane)
- Total length: 46.5mm
- Coating: fully-multi-coating
- Weight: 0.4kg
- Telescope connection: M117x1 female thread
Other Information
- Country of Manufacture: China
Original manufacturer description below. Improved Agena description coming soon.
The new Sharpstar RC308 kit includes a 3inch R&P focuser and a 2.5inch 0.8x RC reducer, supports full-frame!
Suitable for RC systems above 10-inch diameter, can be used for GSO RC perfectly!
Specifications:
- Suitable models: 200mm-600mm RC system primary lenses
- Focal ratio range: F6-F9
- Defocus magnification: 0.8x
- Image circle: full frame 44mm
- Lenses: 3 pieces
- Outer diameter: 74mm (excluding outer ring)
- Backfocus: 55mm (M48 thread end to focal plane)
- Total length: 46.5mm
- Coating: fully-multi-coating
- Weight: 0.4kg
- Telescope connection: M117x1 female thread
Original manufacturer description below. Improved Agena description coming soon.
The new Sharpstar RC308 kit includes a 3inch R&P focuser and a 2.5inch 0.8x RC reducer, supports full-frame!
Suitable for RC systems above 10-inch diameter, can be used for GSO RC perfectly!
Specifications:
- Suitable models: 200mm-600mm RC system primary lenses
- Focal ratio range: F6-F9
- Defocus magnification: 0.8x
- Image circle: full frame 44mm
- Lenses: 3 pieces
- Outer diameter: 74mm (excluding outer ring)
- Backfocus: 55mm (M48 thread end to focal plane)
- Total length: 46.5mm
- Coating: fully-multi-coating
- Weight: 0.4kg
- Telescope connection: M117x1 female thread
Other Information
- Country of Manufacture: China