Takahashi RD-QB 0.73x Reducer for FSQ-85EDX "Baby-Q"
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The Takahashi reducer RD-QB 0.73X is the newest reducer for the FSQ-85EDX telescope. It features 4 elements and 2 groups and provides a 0.73X reduction factor. When used with the FSQ-85EDX, it provides an effective focal length of 330 mm and a focal ratio of f/3.9. The correction provided to field curvature is similar to that provided by the FSQ-85 flattened 1.01x. The resulting image circle is 44 mm in diameter.
Specifications:
- OTA side mounting thread: M72 P=1.0
- Camera side mounting thread: M55.9 P=0.75
- Metal Back: 72.2 mm
Internal thread for 58 mm filter
It is also advisable to obtain the CA-35 (SKY-90) TKA35201 to aid in mounting your camera at the correct backspace.
Other Information
- Country of Manufacture: Japan
The Takahashi reducer RD-QB 0.73X is the newest reducer for the FSQ-85EDX telescope. It features 4 elements and 2 groups and provides a 0.73X reduction factor. When used with the FSQ-85EDX, it provides an effective focal length of 330 mm and a focal ratio of f/3.9. The correction provided to field curvature is similar to that provided by the FSQ-85 flattened 1.01x. The resulting image circle is 44 mm in diameter.
Specifications:
- OTA side mounting thread: M72 P=1.0
- Camera side mounting thread: M55.9 P=0.75
- Metal Back: 72.2 mm
Internal thread for 58 mm filter
It is also advisable to obtain the CA-35 (SKY-90) TKA35201 to aid in mounting your camera at the correct backspace.
The Takahashi reducer RD-QB 0.73X is the newest reducer for the FSQ-85EDX telescope. It features 4 elements and 2 groups and provides a 0.73X reduction factor. When used with the FSQ-85EDX, it provides an effective focal length of 330 mm and a focal ratio of f/3.9. The correction provided to field curvature is similar to that provided by the FSQ-85 flattened 1.01x. The resulting image circle is 44 mm in diameter.
Specifications:
- OTA side mounting thread: M72 P=1.0
- Camera side mounting thread: M55.9 P=0.75
- Metal Back: 72.2 mm
Internal thread for 58 mm filter
It is also advisable to obtain the CA-35 (SKY-90) TKA35201 to aid in mounting your camera at the correct backspace.
Other Information
- Country of Manufacture: Japan
| Product Status | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |
Takahashi RD-QB 0.73x Reducer for FSQ-85EDX "Baby-Q"