Askar PHQ65 APO Refractor (65 mm Quintuplet f/6.4) – Dark Clear Skies circle High-Speed and High-Quality Imaging

High-Speed and High-Quality Imaging

this is a huge quality-of-life improvement

blue and luminance

5KHz / 70dBm@25KHz Audio Response +1~ -3dB Digital Protocol ETSI-TS102 361-1

Autofocus by using a v-curve model is a piece of cake operation

Askar PHQ65 APO Refractor (65 mm Quintuplet f/6.4) – Dark Clear Skies circle High-Speed and High-Quality ImagingAskar PHQ65 Quintuplet Flat Field APO Refractor The Askar PHQ65 is a premium quintuplet APO refractor engineered for astrophotography. Its flat field optical design means no separate flattener is requiredmaking setup simple while delivering pinpoint stars across APS C and full frame sensors. Key features Aperture: 65 mm with a high quality APO quintuplet design. Flat field: Built in correctionno extra flattener needed. Focal length: 416 mm at f 6. 4,