telescopecomparison · 2-way
ZWO FF65 APO vs Askar 60F
Key differences
+8% aperture
Faster by 0.4 f-stops
Specifications
| Specification | ZWO FF65 APO | Askar 60F |
|---|---|---|
| Optics | ||
| Type | refractor | Refractor |
| Optical design | Quintuplet air-spaced APO (two ED elements) | Quadruplet Petzval |
| Aperture | 65mm | 60mm |
| Focal length | 416mm | 408mm |
| Native f/ratio | f/6.4 | f/6.8 |
| Image circle | 44mm | 44mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 2.0kg | 2.5kg |
Advantages of ZWO FF65 APO
- Faster optics at f/6.4 vs f/6.8
- Lighter (2kg vs 2.5kg) — easier to travel with
Advantages of Askar 60F
Closely matched on the compared specs.
Best for — ZWO FF65 APO
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Best for — Askar 60F
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
ZWO FF65 APO — 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 — 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
ZWO FF65 APO — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Askar 60F — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
