telescopecomparison · 2-way
Takahashi FSQ-85EDX vs Takahashi FSQ-130ED
Takahashi
FSQ-85EDX
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Takahashi
FSQ-130ED
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-31% focal length
-35% aperture
Specifications
| Specification | Takahashi FSQ-85EDX | Takahashi FSQ-130ED |
|---|---|---|
| Optics | ||
| Type | Refractor | refractor |
| Optical design | Petzval APO | Petzval quadruplet |
| Aperture | 85mm | 130mm |
| Focal length | 450mm | 650mm |
| Native f/ratio | f/5.3 | f/5.0 |
| Image circle | 44mm | 88mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 4.0kg | 11.0kg |
Advantages of Takahashi FSQ-85EDX
- Wider field — 450mm vs 650mm focal length
- Lighter (4kg vs 11kg) — easier to travel with
Advantages of Takahashi FSQ-130ED
- Tighter framing — 650mm vs 450mm focal length
- 53% more light-gathering aperture
- Larger image circle (88mm) — supports bigger sensors
Best for — Takahashi FSQ-85EDX
- Large emission nebulae and star clusters
- 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
Takahashi FSQ-85EDX — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.58° × 3.06°Scale: 1.72"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.99° × 2.00°Scale: 1.72"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.44° × 1.44°Scale: 1.72"/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
Takahashi FSQ-85EDX — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Takahashi FSQ-130ED — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.