telescopecomparison · 2-way
ZWO FF80 APO vs Stellarvue SVX080T-3SV
ZWO
FF80 APO
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Stellarvue
SVX080T-3SV
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Key differences
+17% focal length
Slower by 1.0 f-stops
Specifications
| Specification | ZWO FF80 APO | Stellarvue SVX080T-3SV |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo doublet FCD-100 | Apo triplet |
| Aperture | 80mm | 80mm |
| Focal length | 560mm | 480mm |
| Native f/ratio | f/7.0 | f/6.0 |
| Image circle | 44mm | 44mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 4.0kg | 4.5kg |
Advantages of ZWO FF80 APO
- Tighter framing — 560mm vs 480mm focal length
Advantages of Stellarvue SVX080T-3SV
- Wider field — 480mm vs 560mm focal length
- Faster optics at f/6 vs f/7
Best for — ZWO FF80 APO
- Large emission nebulae and star clusters
Best for — Stellarvue SVX080T-3SV
- Large emission nebulae and star clusters
- 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
Stellarvue SVX080T-3SV — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.30° × 2.86°Scale: 1.62"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.81° × 1.87°Scale: 1.62"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.35° × 1.35°Scale: 1.62"/px
ZWO FF80 APO — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Stellarvue SVX080T-3SV — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.