Reducer 0.75x 65PHQ

Askar 65PHQ 0.75x Full-Frame gearbox - Specifications and features

The Askar 65PHQ 0.75x reducer is designed for astrophotographers seeking superior image quality and ease of use. This full-frame model uses a quadruplet design for optimum optical performance, shortening the focal ratio and widening the field of view for faster, wider shots.

Askar 65PHQ 0.75x reducer features

• Focal report : f/4.8 after reduction, for improved brightness
• Focal length : 312 mm after reduction, ideal for large celestial objects
• Lens type : Quadruplet design for better control of distortion and aberrations
• Rear focal length : 55 mm (standard distance for astrophotographic configurations)
• Weight and sturdiness : Built for stable, long-lasting use, suitable for mounting on astrografs

This reducer is supplied with two thread adapters (M54 and M48), also incorporating a 2" filter thread (M48*0.75). This flexibility enables easy, stable connection to a wide range of equipment and accessories, making installation simple for users.

Additional dimensions and specifications

• Rear thread : M58*0.75 (female thread)
• Adapters supplied : M540.75 and M480.75, with enhanced compatibility for 2" filters
• Optical design : Quadruplet for a wide image field and precise image correction right to the edge

Benefits for astrophotographers

Thanks to the reduced exposure time required, this reducer is ideal for deep-sky astrophotography, offering greater convenience and efficiency. The wide aperture makes it possible to capture nebulae, star clusters and other celestial objects with great precision. This model thus offers more possibilities for users wishing to explore extended fields of view.