telescopecomparison · 2-way
TEC APO160FL f/7 vs Askar 151PHQ
TEC
APO160FL f/7
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Askar
151PHQ
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Key differences
+6% focal length
+6% aperture
Specifications
| Specification | TEC APO160FL f/7 | Askar 151PHQ |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo triplet fluorite | Petzval quintuplet FPL-51 |
| Aperture | 160mm | 151mm |
| Focal length | 1120mm | 1057mm |
| Native f/ratio | f/7.0 | f/7.0 |
| Image circle | — | 60mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | — | 15.5kg |
Advantages of TEC APO160FL f/7
Closely matched on the compared specs.
Advantages of Askar 151PHQ
- Larger image circle (60mm) — supports bigger sensors
Best for — TEC APO160FL f/7
- Medium-sized galaxies and planetary nebulae
Best for — Askar 151PHQ
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
TEC APO160FL f/7 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.84° × 1.23°Scale: 0.69"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.20° × 0.80°Scale: 0.69"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.58° × 0.58°Scale: 0.69"/px
Askar 151PHQ — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.95° × 1.30°Scale: 0.73"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.27° × 0.85°Scale: 0.73"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.61° × 0.61°Scale: 0.73"/px
TEC APO160FL f/7 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Askar 151PHQ — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
