telescopecomparison · 2-way
Takahashi Epsilon-130D vs Takahashi FSQ-85EDX
Takahashi
Epsilon-130D
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
Takahashi
FSQ-85EDX
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Key differences
+53% aperture
Faster by 2.0 f-stops
Specifications
| Specification | Takahashi Epsilon-130D | Takahashi FSQ-85EDX |
|---|---|---|
| Optics | ||
| Type | astrograph | Refractor |
| Optical design | Hyperbolic Newtonian | Petzval APO |
| Aperture | 130mm | 85mm |
| Focal length | 430mm | 450mm |
| Native f/ratio | f/3.3 | f/5.3 |
| Image circle | 44mm | 44mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 7.8kg | 4.0kg |
Advantages of Takahashi Epsilon-130D
- 53% more light-gathering aperture
- Faster optics at f/3.3 vs f/5.3
Advantages of Takahashi FSQ-85EDX
- Lighter (4kg vs 7.8kg) — easier to travel with
Best for — Takahashi Epsilon-130D
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
Best for — Takahashi FSQ-85EDX
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Takahashi Epsilon-130D — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.80° × 3.20°Scale: 1.80"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 3.13° × 2.09°Scale: 1.80"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.51° × 1.51°Scale: 1.80"/px
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 Epsilon-130D — recommended user
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
Takahashi FSQ-85EDX — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.