Askar 80PHQ Quadruplet Flatfield APO Astrograph
1 424,00 €
80mm f/7.5 quadruplet flatfield astrograph with built-in flattener. Attach your camera, focus, and shoot — no external correctors required.
Description
<![CDATA[The Askar 80PHQ is an 80mm f/7.5 quadruplet flatfield astrograph from the acclaimed PHQ family. With its built-in field flattener, it eliminates the need for external flatteners — simply attach your camera, focus, and shoot.
The four-element optical design with ED glass delivers excellent chromatic aberration control and sharp, flat stars across the entire field. The 600mm focal length at f/7.5 provides a versatile imaging scale suitable for a wide range of deep-sky targets.
The 80PHQ features Askar's signature textured ivory coating on the main tube, providing a secure grip and premium feel. The precision dual-speed focuser ensures accurate and smooth focusing for critical imaging work.
Key Features
- Built-in field flattener — no external flattener needed
- Quadruplet ED glass optical design for superior color correction
- 80mm aperture, 600mm focal length (f/7.5)
- Precision dual-speed focuser
- Compatible with full-frame and APS-C sensors
- Premium textured ivory tube finish
Specifications
| Aperture | 80 mm |
|---|---|
| Focal Length | 600 mm |
| Focal Ratio | f/7.5 |
| Optical Design | Quadruplet with ED glass |
| Field Flattener | Built-in |
| Focuser | Dual-speed |
| Brand | Askar |
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