The Askar SQA85 85 mm f/4.8 quintuplet APO tube is a premium quality astronomical telescope designed to meet the needs of the most demanding astrophotographers. This telescope combines state-of-the-art technology with thoughtful design, making it exceptionally suitable for capturing the details of the night sky.
Thanks to its 85 mm aperture and 408 mm focal length, the Askar SQA85 can capture the light of stars and nebulae with extraordinary detail. The extremely focal ratio (f/4.8) Petzval system with a five-element optical design, including two ED (extra-low dispersion) lens elements, guarantees pinpoint imaging across the entire field of view and imperceptible chromatic aberration. The Askar SQA85 tube is fully optimized for full-frame sensor size, making it an ideal choice for professional astrophotographers.
The telescope features multiple connection options at the rear: M48, M54, and M68 threads ensure versatile use with various accessories. The dual-speed 2.8" rack-and-pinion focuser allows for precise adjustments, with a 360-degree rotatable manual rotator equipped with a vernier scale at the end.
Main features of the Askar SQA85 apochromat:
- Aperture: 85 mm
- Focal Length: 408 mm
- Focal Ratio: f/4.8 Petzval system
- Optics: Five-element design with 2 ED lens elements
- Camera Connection: M48, M54, and M68
- Dual-speed 2.8" rack-and-pinion focuser
- Built-in camera rotator with vernier scale
- Tube rings, prism rail
The Askar SQA85 APO tube is designed to meet the needs of the most demanding astrophotographers: it delivers detailed, clear, and sharp images with every use - success will not depend on it.

