Crayford focuser designed for Newtonian reflecting telescopes, optimized for instruments with a 200 mm aperture. The Crayford design provides smooth and precise focusing, as well as higher load capacity compared to standard rack-and-pinion focusers.
 
The focuser offers a total travel range of 40 mm. A 42 mm extension tube is included, allowing proper focus positioning for various optical configurations.
 
Note: the included extension tube has a 2" diameter.

Technical specifications

• catalog number: SW-7203
• focuser type: Crayford
• focuser diameter: 2"
• travel range: 40 mm
• mounting hole spacing: 86 mm (along the optical axis) × 79 mm (perpendicular to the optical axis)
• warranty period: 24 months