telescopecomparison · 2-way
ZWO FF80 APO vs Sky-Watcher Evostar 80ED
ZWO
FF80 APO
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Sky-Watcher
Evostar 80ED
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Key differences
-7% focal length
Faster by 0.5 f-stops
Specifications
| Specification | ZWO FF80 APO | Sky-Watcher Evostar 80ED |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo doublet FCD-100 | Apo doublet FPL-53 |
| Aperture | 80mm | 80mm |
| Focal length | 560mm | 600mm |
| Native f/ratio | f/7.0 | f/7.5 |
| Image circle | 44mm | 44mm |
| Full-frame support | No | No |
| Physical | ||
| Weight | 4.0kg | 3.8kg |
Advantages of ZWO FF80 APO
- Faster optics at f/7 vs f/7.5
Advantages of Sky-Watcher Evostar 80ED
Closely matched on the compared specs.
Best for — ZWO FF80 APO
- Large emission nebulae and star clusters
Best for — Sky-Watcher Evostar 80ED
- Large emission nebulae and star clusters
ZWO FF80 APO — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.68° × 2.46°Scale: 1.38"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.40° × 1.61°Scale: 1.38"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.16° × 1.16°Scale: 1.38"/px
Sky-Watcher Evostar 80ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.44° × 2.29°Scale: 1.29"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.24° × 1.50°Scale: 1.29"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.08° × 1.08°Scale: 1.29"/px
ZWO FF80 APO — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Sky-Watcher Evostar 80ED — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.