OPTEC Sagitta Motorized Off-Axis Guider

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- Full 3-inch clear aperture supports large imaging systems.
- Independent guide camera focus without changing main camera focus.
- 42 mm+ guide camera adjustment for easy parfocal setup.
- Compatible with FocusLynx or FocusBoss II motorized control.
OPTEC Motorized Off-Axis Guider for Astrophotography
The Optec Sagitta Off-Axis Guider (OAG) is a premium solution for remote imagers who need independent guide camera focusing without affecting the primary imaging camera. Designed for precision astrophotography setups, the Sagitta features a full 3-inch (76.2 mm) clear aperture to support larger imaging trains while maintaining a compact 1.25-inch (31.75 mm) body thickness. A high-quality fully multi-coated pick-off prism with 12.5 mm clear aperture directs light to the guide camera for accurate guiding performance.
Built for flexibility, the Sagitta uses a large brass split-clamp to securely hold most 1.25-inch format guide cameras, with generous adjustment range for parfocal alignment to the imaging camera. Prism stalk height can be adjusted with a single tool and offers 12 mm of prism engagement travel, while total guide camera adjustment exceeds 42 mm. The unit uses the OPTEC-3000-S dovetail interface for compatibility with multiple adapters and optical systems. For motorized operation, the Sagitta requires the FocusLynx Controller (#19690) or Starlight Instruments FocusBoss II (sold separately). Single-focuser models can be upgraded to dual-focuser control with the #19533 Secondary Stepper board.
Specifications
- Main camera aperture: 3 in (76.2 mm) clear
- Guide camera aperture: 12.5 mm (0.5 in) clear
- OAG body thickness: 31.75 mm (1-1/4 in)
- Large brass split-clamp for any 1-1/4” format guide camera
- Manual focuser to parfocalize main and guide camera
Other Information
- Country of Manufacture: United States
OPTEC Motorized Off-Axis Guider for Astrophotography
The Optec Sagitta Off-Axis Guider (OAG) is a premium solution for remote imagers who need independent guide camera focusing without affecting the primary imaging camera. Designed for precision astrophotography setups, the Sagitta features a full 3-inch (76.2 mm) clear aperture to support larger imaging trains while maintaining a compact 1.25-inch (31.75 mm) body thickness. A high-quality fully multi-coated pick-off prism with 12.5 mm clear aperture directs light to the guide camera for accurate guiding performance.
Built for flexibility, the Sagitta uses a large brass split-clamp to securely hold most 1.25-inch format guide cameras, with generous adjustment range for parfocal alignment to the imaging camera. Prism stalk height can be adjusted with a single tool and offers 12 mm of prism engagement travel, while total guide camera adjustment exceeds 42 mm. The unit uses the OPTEC-3000-S dovetail interface for compatibility with multiple adapters and optical systems. For motorized operation, the Sagitta requires the FocusLynx Controller (#19690) or Starlight Instruments FocusBoss II (sold separately). Single-focuser models can be upgraded to dual-focuser control with the #19533 Secondary Stepper board.
Specifications
- Main camera aperture: 3 in (76.2 mm) clear
- Guide camera aperture: 12.5 mm (0.5 in) clear
- OAG body thickness: 31.75 mm (1-1/4 in)
- Large brass split-clamp for any 1-1/4” format guide camera
- Manual focuser to parfocalize main and guide camera
- 1x Sagitta OAG assembly with Add-on motor
- 1x Male Astro-Physics 2.7-inch threaded adapter
- 1x Female Astro-Physics 2.7-inch (AP2.7) threaded adapter
- 1x Tool kit including 0.050” hex key, 5/64” and 3/32” ball drivers.
- 1x Cat-5e Ethernet cable
- Full 3-inch clear aperture supports large imaging systems.
- Independent guide camera focus without changing main camera focus.
- 42 mm+ guide camera adjustment for easy parfocal setup.
- Compatible with FocusLynx or FocusBoss II motorized control.
OPTEC Motorized Off-Axis Guider for Astrophotography
The Optec Sagitta Off-Axis Guider (OAG) is a premium solution for remote imagers who need independent guide camera focusing without affecting the primary imaging camera. Designed for precision astrophotography setups, the Sagitta features a full 3-inch (76.2 mm) clear aperture to support larger imaging trains while maintaining a compact 1.25-inch (31.75 mm) body thickness. A high-quality fully multi-coated pick-off prism with 12.5 mm clear aperture directs light to the guide camera for accurate guiding performance.
Built for flexibility, the Sagitta uses a large brass split-clamp to securely hold most 1.25-inch format guide cameras, with generous adjustment range for parfocal alignment to the imaging camera. Prism stalk height can be adjusted with a single tool and offers 12 mm of prism engagement travel, while total guide camera adjustment exceeds 42 mm. The unit uses the OPTEC-3000-S dovetail interface for compatibility with multiple adapters and optical systems. For motorized operation, the Sagitta requires the FocusLynx Controller (#19690) or Starlight Instruments FocusBoss II (sold separately). Single-focuser models can be upgraded to dual-focuser control with the #19533 Secondary Stepper board.
Specifications
- Main camera aperture: 3 in (76.2 mm) clear
- Guide camera aperture: 12.5 mm (0.5 in) clear
- OAG body thickness: 31.75 mm (1-1/4 in)
- Large brass split-clamp for any 1-1/4” format guide camera
- Manual focuser to parfocalize main and guide camera
Other Information
- Country of Manufacture: United States
- 1x Sagitta OAG assembly with Add-on motor
- 1x Male Astro-Physics 2.7-inch threaded adapter
- 1x Female Astro-Physics 2.7-inch (AP2.7) threaded adapter
- 1x Tool kit including 0.050” hex key, 5/64” and 3/32” ball drivers.
- 1x Cat-5e Ethernet cable

OPTEC Sagitta Motorized Off-Axis Guider

