Takahashi FC-35 0.66x Reducer for FC-100DF Refractor Telescopes

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- Widens field of view and speeds up your imaging system for faster exposures and broader deep‑sky captures.
- Supports full‑frame sensors with excellent edge illumination across compatible FC/FS refractors.
- Designed specifically for Takahashi FC‑100DF and other FC/FS telescopes, maintaining sharp stars and excellent optical quality.
Takahashi FC-35 0.66x Reducer for Select FC/FS Refractor Telescope Tubes
The Takahashi FC-35 is a 0.66x focal reducer engineered specifically for Takahashi’s FC-100DF & DZ refractors, but is compatible with the FC-125, FS-102, FS-128, and FS-152 refractor telescopes. By shortening the focal length to 66% of the original, it significantly speeds up the optical system, allowing you to capture brighter, deeper astrophotography in less exposure time. The FC-35 also delivers a generous 44 mm image circle, making it ideal for full-frame sensors and wide-field imaging setups.
FC-100DF with 0.66x Spot Diagram


FC-100DZ with 0.66x Spot Diagram


Train Connection Chart


Specifications:
- Compatibility: FC-100DF, FC-125, FS-102, FS-128 and FS-152
- Image Circle: 44 mm
- FC-100DF Fluorite Refractor:
- Focal length: 480 mm
- Focal Ratio: f/4.8
- Image Circle: Φ44mm
-
- Focal Length: 530 mm
- Focal Ratio: f/5.3
- Image Circle: Φ44mm
Specifications reflect the Takahashi specified refractors when paired with FC-35 0.66x reducer*
Other Information
- Country of Manufacture: Japan
Takahashi FC-35 0.66x Reducer for Select FC/FS Refractor Telescope Tubes
The Takahashi FC-35 is a 0.66x focal reducer engineered specifically for Takahashi’s FC-100DF & DZ refractors, but is compatible with the FC-125, FS-102, FS-128, and FS-152 refractor telescopes. By shortening the focal length to 66% of the original, it significantly speeds up the optical system, allowing you to capture brighter, deeper astrophotography in less exposure time. The FC-35 also delivers a generous 44 mm image circle, making it ideal for full-frame sensors and wide-field imaging setups.
FC-100DF with 0.66x Spot Diagram


FC-100DZ with 0.66x Spot Diagram


Train Connection Chart


Specifications:
- Compatibility: FC-100DF, FC-125, FS-102, FS-128 and FS-152
- Image Circle: 44 mm
- FC-100DF Fluorite Refractor:
- Focal length: 480 mm
- Focal Ratio: f/4.8
- Image Circle: Φ44mm
-
- Focal Length: 530 mm
- Focal Ratio: f/5.3
- Image Circle: Φ44mm
Specifications reflect the Takahashi specified refractors when paired with FC-35 0.66x reducer*
- FC-35 0.66x Reducer
- Widens field of view and speeds up your imaging system for faster exposures and broader deep‑sky captures.
- Supports full‑frame sensors with excellent edge illumination across compatible FC/FS refractors.
- Designed specifically for Takahashi FC‑100DF and other FC/FS telescopes, maintaining sharp stars and excellent optical quality.
Takahashi FC-35 0.66x Reducer for Select FC/FS Refractor Telescope Tubes
The Takahashi FC-35 is a 0.66x focal reducer engineered specifically for Takahashi’s FC-100DF & DZ refractors, but is compatible with the FC-125, FS-102, FS-128, and FS-152 refractor telescopes. By shortening the focal length to 66% of the original, it significantly speeds up the optical system, allowing you to capture brighter, deeper astrophotography in less exposure time. The FC-35 also delivers a generous 44 mm image circle, making it ideal for full-frame sensors and wide-field imaging setups.
FC-100DF with 0.66x Spot Diagram


FC-100DZ with 0.66x Spot Diagram


Train Connection Chart


Specifications:
- Compatibility: FC-100DF, FC-125, FS-102, FS-128 and FS-152
- Image Circle: 44 mm
- FC-100DF Fluorite Refractor:
- Focal length: 480 mm
- Focal Ratio: f/4.8
- Image Circle: Φ44mm
-
- Focal Length: 530 mm
- Focal Ratio: f/5.3
- Image Circle: Φ44mm
Specifications reflect the Takahashi specified refractors when paired with FC-35 0.66x reducer*
Other Information
- Country of Manufacture: Japan
- FC-35 0.66x Reducer

Takahashi FC-35 0.66x Reducer for FC-100DF Refractor Telescopes
