Astrographe Super Apo Askar SQA70

Treat yourself to the optical precision of an instrument designed made to measure for high-resolution digital imaging. Compact, lightweight and formidably efficient, the SQA70 packs all Askar's expertise into a 70 mm tube... and shakes up the standards of nomadic astrographs.

Petzval quintuplet optics: sharpness and chromatism under control

• Objective quintuplet air-spaced with 2 ED lenses faithful colors and impeccable stars.
• Focal length 336 mm (f/4.8) Wide, bright field, perfect for nebulae and large stellar clouds.
• Design Petzval " flat-field "integrated: focal plane perfectly flat over 44 mmwithout external corrector.

Outstanding illumination and image sharpness

• ≥ 90 % of illumination to the corners of a full-format sensor: minimal vignetting.
• RMS radii of stars < 1.84 µm at center / < 2.4 µm in corners exceptional punctuality.

Premium mechanics designed for photographers

• Lens holder 2.5" dual-speed rack (1:10) supporting heavy imaging trains.
• 360° rotator for precise framing without losing focus.
• Lightweight one-piece collar with integrated handle/rail and double base finder for accessories.

Nomadic format, robust and versatile

• Length 332 mm (lens hood retracted) for 2.68 kg only: ideal as carry-on.
• Rear threads M42, M48 (2″ filter) and M54 supplied: recommended back-focus 55 mm (adjustable 37-68 mm).
• Supplied in a Oxford soft case padded and ready for the field.

Key specifications

Why choose the SQA70?

• Extreme versatility From wide-angle celestial landscapes to mosaic imagery, she excels everywhere.
• Ease of use no external correctors or complex calculations.
• Optical performance fine stars, illuminated field, chromatism cancelled.
• Mobility Less than 3 kg and 33 cm, perfect for nomadic or stationary use.