telescopecomparison · 2-way
TEC APO180FL f/7 vs TEC APO160FL f/7

TEC
APO180FL f/7
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.

TEC
APO160FL f/7
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+13% focal length
+13% aperture
Specifications
| Specification | TEC APO180FL f/7 | TEC APO160FL f/7 |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo triplet fluorite | Apo triplet fluorite |
| Aperture | 180mm | 160mm |
| Focal length | 1260mm | 1120mm |
| Native f/ratio | f/7.0 | f/7.0 |
| Image circle | — | — |
| Full-frame support | No | No |
| Physical | ||
| Weight | — | — |
Advantages of TEC APO180FL f/7
- Tighter framing — 1260mm vs 1120mm focal length
- 13% more light-gathering aperture
Advantages of TEC APO160FL f/7
- Wider field — 1120mm vs 1260mm focal length
Best for — TEC APO180FL f/7
- Small galaxies, planetary nebulae, lunar & planetary detail
Best for — TEC APO160FL f/7
- Medium-sized galaxies and planetary nebulae
TEC APO180FL f/7 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.64° × 1.09°Scale: 0.62"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.07° × 0.71°Scale: 0.62"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.51° × 0.51°Scale: 0.62"/px
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
TEC APO180FL f/7 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
TEC APO160FL f/7 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.


