telescopecomparison · 2-way
Takahashi FSQ-85EDX vs TS-Optics PHOTOLINE 80 f/6 Triplet APO
Takahashi
FSQ-85EDX
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
TS-Optics
PHOTOLINE 80 f/6 Triplet APO
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
Key differences
-6% focal length
+6% aperture
Faster by 0.7 f-stops
Specifications
| Specification | Takahashi FSQ-85EDX | TS-Optics PHOTOLINE 80 f/6 Triplet APO |
|---|---|---|
| Optics | ||
| Type | Refractor | refractor |
| Optical design | Petzval APO | Apo triplet FPL-53 |
| Aperture | 85mm | 80mm |
| Focal length | 450mm | 480mm |
| Native f/ratio | f/5.3 | f/6.0 |
| Image circle | 44mm | 44mm |
| Full-frame support | Yes | No |
| Physical | ||
| Weight | 4.0kg | 4.4kg |
Advantages of Takahashi FSQ-85EDX
- Faster optics at f/5.3 vs f/6
Advantages of TS-Optics PHOTOLINE 80 f/6 Triplet APO
Closely matched on the compared specs.
Best for — Takahashi FSQ-85EDX
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Best for — TS-Optics PHOTOLINE 80 f/6 Triplet APO
- Large emission nebulae and star clusters
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
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 FSQ-85EDX — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
TS-Optics PHOTOLINE 80 f/6 Triplet APO — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.