telescopecomparison · 2-way
ZWO FF80 APO vs ZWO FF107 APO

ZWO
FF80 APO
Best suited for intermediate imagers building a versatile kit running a portable travel rig.

ZWO
FF107 APO
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-25% focal length
-25% aperture
Specifications
| Specification | ZWO FF80 APO | ZWO FF107 APO |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo doublet FCD-100 | Quintuplet FCD-100 |
| Aperture | 80mm | 107mm |
| Focal length | 560mm | 749mm |
| Native f/ratio | f/7.0 | f/7.0 |
| Image circle | 44mm | 44mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 4.0kg | 7.2kg |
Advantages of ZWO FF80 APO
- Wider field — 560mm vs 749mm focal length
- Lighter (4kg vs 7.2kg) — easier to travel with
Advantages of ZWO FF107 APO
- Tighter framing — 749mm vs 560mm focal length
- 34% more light-gathering aperture
Best for — ZWO FF80 APO
- Large emission nebulae and star clusters
Best for — ZWO FF107 APO
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
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
ZWO FF107 APO — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.75° × 1.84°Scale: 1.04"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.80° × 1.20°Scale: 1.04"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.86° × 0.86°Scale: 1.04"/px
ZWO FF80 APO — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
ZWO FF107 APO — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.