telescopecomparison · 2-way
Takahashi Epsilon-130D vs TS-Optics PHOTOLINE 80 f/6 Triplet APO

Takahashi
Epsilon-130D
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.

TS-Optics
PHOTOLINE 80 f/6 Triplet APO
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Key differences
-10% focal length
+63% aperture
Faster by 2.7 f-stops
Specifications
| Specification | Takahashi Epsilon-130D | TS-Optics PHOTOLINE 80 f/6 Triplet APO |
|---|---|---|
| Optics | ||
| Type | astrograph | refractor |
| Optical design | Hyperbolic Newtonian | Apo triplet FPL-53 |
| Aperture | 130mm | 80mm |
| Focal length | 430mm | 480mm |
| Native f/ratio | f/3.3 | f/6.0 |
| Image circle | 44mm | 44mm |
| Full-frame support | Yes | No |
| Physical | ||
| Weight | 7.8kg | 4.4kg |
Advantages of Takahashi Epsilon-130D
- Wider field — 430mm vs 480mm focal length
- 63% more light-gathering aperture
- Faster optics at f/3.3 vs f/6
Advantages of TS-Optics PHOTOLINE 80 f/6 Triplet APO
- Tighter framing — 480mm vs 430mm focal length
- Lighter (4.4kg 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 — TS-Optics PHOTOLINE 80 f/6 Triplet APO
- Large emission nebulae and star clusters
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
TS-Optics PHOTOLINE 80 f/6 Triplet APO — 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
Takahashi Epsilon-130D — recommended user
Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.
TS-Optics PHOTOLINE 80 f/6 Triplet APO — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.