Takahashi FSQ-80FC f/5.6 Refractor Telescope
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Takahashi FSQ-80FC: A Legendary Astrograph — Now in a Portable 80mm
The FSQ-80FC brings Takahashi’s legendary FSQ astrograph design into a compact and highly portable 80 mm platform. With a 450 mm focal length and fast f/5.6 optics, it delivers sharp stars and a flat field across modern full-frame sensors while remaining lightweight enough for travel imaging setups.
Designed for both astrophotography and premium visual observing, the FSQ-80FC combines Takahashi’s fluorite optics with a new five-element optical system optimized for modern CMOS cameras.
Key Features
- 80 mm fluorite apochromatic astrograph
- 450 mm focal length (f/5.6)
- 5-element optical design with two fluorite elements
- Large 50 mm image circle for full-frame cameras
- Compact, travel-friendly tube design
- Precision Takahashi mechanical construction
Optimized for Modern Astrophotography
The FSQ-80FC is designed with today’s imaging systems in mind. Removing the M48 adapter reveals a standard M48 interface with 55 mm backfocus, allowing many cooled CMOS cameras to attach directly without additional spacers.
Optional adapters support larger M54 camera threads and DSLR / mirrorless cameras, making the FSQ-80FC a flexible imaging platform.
Optical Design
The five-element optical design combines a front fluorite doublet with a rear field-flattening group. The result is exceptional center sharpness and a flat, evenly illuminated field ideal for wide-field astrophotography.
Specifications
- Aperture: 80 mm
- Focal Length: 450 mm
- Focal Ratio: f/5.6
- Optical Design: 5-element / 5-group fluorite apochromat
- Image Circle: 50 mm
- Tube Diameter: 95 mm
- Length: 486 mm (retracted) / 559 mm (extended)
- Weight: Approx. 4.1 kg
Other Information
- Country of Manufacture: Japan
Takahashi FSQ-80FC: A Legendary Astrograph — Now in a Portable 80mm
The FSQ-80FC brings Takahashi’s legendary FSQ astrograph design into a compact and highly portable 80 mm platform. With a 450 mm focal length and fast f/5.6 optics, it delivers sharp stars and a flat field across modern full-frame sensors while remaining lightweight enough for travel imaging setups.
Designed for both astrophotography and premium visual observing, the FSQ-80FC combines Takahashi’s fluorite optics with a new five-element optical system optimized for modern CMOS cameras.
Key Features
- 80 mm fluorite apochromatic astrograph
- 450 mm focal length (f/5.6)
- 5-element optical design with two fluorite elements
- Large 50 mm image circle for full-frame cameras
- Compact, travel-friendly tube design
- Precision Takahashi mechanical construction
Optimized for Modern Astrophotography
The FSQ-80FC is designed with today’s imaging systems in mind. Removing the M48 adapter reveals a standard M48 interface with 55 mm backfocus, allowing many cooled CMOS cameras to attach directly without additional spacers.
Optional adapters support larger M54 camera threads and DSLR / mirrorless cameras, making the FSQ-80FC a flexible imaging platform.
Optical Design
The five-element optical design combines a front fluorite doublet with a rear field-flattening group. The result is exceptional center sharpness and a flat, evenly illuminated field ideal for wide-field astrophotography.
Specifications
- Aperture: 80 mm
- Focal Length: 450 mm
- Focal Ratio: f/5.6
- Optical Design: 5-element / 5-group fluorite apochromat
- Image Circle: 50 mm
- Tube Diameter: 95 mm
- Length: 486 mm (retracted) / 559 mm (extended)
- Weight: Approx. 4.1 kg
Takahashi FSQ-80FC: A Legendary Astrograph — Now in a Portable 80mm
The FSQ-80FC brings Takahashi’s legendary FSQ astrograph design into a compact and highly portable 80 mm platform. With a 450 mm focal length and fast f/5.6 optics, it delivers sharp stars and a flat field across modern full-frame sensors while remaining lightweight enough for travel imaging setups.
Designed for both astrophotography and premium visual observing, the FSQ-80FC combines Takahashi’s fluorite optics with a new five-element optical system optimized for modern CMOS cameras.
Key Features
- 80 mm fluorite apochromatic astrograph
- 450 mm focal length (f/5.6)
- 5-element optical design with two fluorite elements
- Large 50 mm image circle for full-frame cameras
- Compact, travel-friendly tube design
- Precision Takahashi mechanical construction
Optimized for Modern Astrophotography
The FSQ-80FC is designed with today’s imaging systems in mind. Removing the M48 adapter reveals a standard M48 interface with 55 mm backfocus, allowing many cooled CMOS cameras to attach directly without additional spacers.
Optional adapters support larger M54 camera threads and DSLR / mirrorless cameras, making the FSQ-80FC a flexible imaging platform.
Optical Design
The five-element optical design combines a front fluorite doublet with a rear field-flattening group. The result is exceptional center sharpness and a flat, evenly illuminated field ideal for wide-field astrophotography.
Specifications
- Aperture: 80 mm
- Focal Length: 450 mm
- Focal Ratio: f/5.6
- Optical Design: 5-element / 5-group fluorite apochromat
- Image Circle: 50 mm
- Tube Diameter: 95 mm
- Length: 486 mm (retracted) / 559 mm (extended)
- Weight: Approx. 4.1 kg
Other Information
- Country of Manufacture: Japan
Takahashi FSQ-80FC f/5.6 Refractor Telescope