0.85x Full Frame Coma Corrector Artesky (SKU: ART-COMA3)

Artesky 3" 0.85× coma corrector and reducer (Artesky, SKU: ART-COMA3) is designed for imaging with f/3.5–f/6 Newtonian telescopes. It corrects off-axis coma while shortening the focal length, increasing the field recorded by the camera.

Key features

• field correction up to full-frame format
• four-element multicoated optical design
• internal 2" filter attachment

Included items

• product: Artesky 3" 0.85× coma corrector and reducer

Technical specifications

• factor: 0.85×
• recommended telescopes: 150–300 mm Newtonians, f/3.5–f/6
• outside size: 3", 76.3 mm as specified by the manufacturer
• backfocus: 55 mm
• overall length: 119.81 mm
• weight: 0.89 kg

The corrector provides a wider, better-corrected frame in a compatible Newtonian.