telescopecomparison · 2-way
Takahashi FSQ-130ED vs Astro-Tech AT115EDT
Takahashi
FSQ-130ED
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Astro-Tech
AT115EDT
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-19% focal length
+13% aperture
Faster by 2.0 f-stops
Specifications
| Specification | Takahashi FSQ-130ED | Astro-Tech AT115EDT |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Petzval quadruplet | Apo triplet FPL-53 |
| Aperture | 130mm | 115mm |
| Focal length | 650mm | 805mm |
| Native f/ratio | f/5.0 | f/7.0 |
| Image circle | 88mm | 52mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 11.0kg | 6.6kg |
Advantages of Takahashi FSQ-130ED
- Wider field — 650mm vs 805mm focal length
- 13% more light-gathering aperture
- Faster optics at f/5 vs f/7
- Larger image circle (88mm) — supports bigger sensors
Advantages of Astro-Tech AT115EDT
- Tighter framing — 805mm vs 650mm focal length
- Lighter (6.6kg vs 11kg) — easier to travel with
Best for — Takahashi FSQ-130ED
- Large emission nebulae and star clusters
- Fast imaging — short exposures per sub
- Full-frame astro cameras and DSLRs
Best for — Astro-Tech AT115EDT
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
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
Astro-Tech AT115EDT — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.56° × 1.71°Scale: 0.96"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.67° × 1.12°Scale: 0.96"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.80° × 0.80°Scale: 0.96"/px
Takahashi FSQ-130ED — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Astro-Tech AT115EDT — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.