telescopecomparison · 2-way
Sky-Watcher Esprit 120ED vs Takahashi FSQ-130ED
Sky-Watcher
Esprit 120ED
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Takahashi
FSQ-130ED
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+29% focal length
-8% aperture
Slower by 2.0 f-stops
Specifications
| Specification | Sky-Watcher Esprit 120ED | Takahashi FSQ-130ED |
|---|---|---|
| Optics | ||
| Type | Refractor | refractor |
| Optical design | Triplet APO | Petzval quadruplet |
| Aperture | 120mm | 130mm |
| Focal length | 840mm | 650mm |
| Native f/ratio | f/7.0 | f/5.0 |
| Image circle | 44mm | 88mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 11.5kg | 11.0kg |
Advantages of Sky-Watcher Esprit 120ED
- Tighter framing — 840mm vs 650mm focal length
Advantages of Takahashi FSQ-130ED
- Wider field — 650mm vs 840mm focal length
- Faster optics at f/5 vs f/7
- Larger image circle (88mm) — supports bigger sensors
Best for — Sky-Watcher Esprit 120ED
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — Takahashi FSQ-130ED
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
Sky-Watcher Esprit 120ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.46° × 1.64°Scale: 0.92"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.60° × 1.07°Scale: 0.92"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.77° × 0.77°Scale: 0.92"/px
Takahashi FSQ-130ED — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.17° × 2.12°Scale: 1.19"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.07° × 1.38°Scale: 1.19"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.00° × 1.00°Scale: 1.19"/px
Sky-Watcher Esprit 120ED — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Takahashi FSQ-130ED — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
