telescopecomparison · 2-way
Askar 60F vs Askar 65PHQ
Key differences
-8% aperture
Slower by 0.4 f-stops
Specifications
| Specification | Askar 60F | Askar 65PHQ |
|---|---|---|
| Optics | ||
| Type | Refractor | Refractor |
| Optical design | Quadruplet Petzval | Quintuplet Petzval |
| Aperture | 60mm | 65mm |
| Focal length | 408mm | 416mm |
| Native f/ratio | f/6.8 | f/6.4 |
| Image circle | 44mm | 44mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 2.5kg | 3.6kg |
Advantages of Askar 60F
- Lighter (2.5kg vs 3.6kg) — easier to travel with
Advantages of Askar 65PHQ
- Faster optics at f/6.4 vs f/6.8
Best for — Askar 60F
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Best for — Askar 65PHQ
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Askar 60F — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 5.06° × 3.37°Scale: 1.90"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 3.30° × 2.20°Scale: 1.90"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.59° × 1.59°Scale: 1.90"/px
Askar 65PHQ — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.96° × 3.31°Scale: 1.86"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 3.24° × 2.16°Scale: 1.86"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.56° × 1.56°Scale: 1.86"/px
Askar 60F — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Askar 65PHQ — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
