telescopecomparison · 2-way
Askar FRA600 vs Tele Vue NP127fli
Askar
FRA600
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Tele Vue
NP127fli
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-9% focal length
-15% aperture
Slower by 0.4 f-stops
Specifications
| Specification | Askar FRA600 | Tele Vue NP127fli |
|---|---|---|
| Optics | ||
| Type | Refractor | refractor |
| Optical design | Petzval Quintuplet APO | Nagler-Petzval |
| Aperture | 108mm | 127mm |
| Focal length | 600mm | 660mm |
| Native f/ratio | f/5.6 | f/5.2 |
| Image circle | 60mm | 52mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 7.8kg | 9.5kg |
Advantages of Askar FRA600
- Larger image circle (60mm) — supports bigger sensors
- Lighter (7.8kg vs 9.5kg) — easier to travel with
Advantages of Tele Vue NP127fli
- 18% more light-gathering aperture
- Faster optics at f/5.2 vs f/5.6
Best for — Askar FRA600
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Best for — Tele Vue NP127fli
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Askar FRA600 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.44° × 2.29°Scale: 1.29"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.24° × 1.50°Scale: 1.29"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.08° × 1.08°Scale: 1.29"/px
Tele Vue NP127fli — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.13° × 2.08°Scale: 1.18"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.04° × 1.36°Scale: 1.18"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.98° × 0.98°Scale: 1.18"/px
Askar FRA600 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Tele Vue NP127fli — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.