telescopecomparison · 2-way
Astro-Physics 190mm f/6 StarFire CS vs TEC APO160FL f/7
Astro-Physics
190mm f/6 StarFire CS
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
TEC
APO160FL f/7
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
+19% aperture
Faster by 1.0 f-stops
Specifications
| Specification | Astro-Physics 190mm f/6 StarFire CS | TEC APO160FL f/7 |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Christen Superachromat (4-element) | Apo triplet fluorite |
| Aperture | 190mm | 160mm |
| Focal length | 1140mm | 1120mm |
| Native f/ratio | f/6.0 | f/7.0 |
| Image circle | 64mm | — |
| Full-frame support | Yes | No |
| Physical | ||
| Weight | 17.7kg | — |
Advantages of Astro-Physics 190mm f/6 StarFire CS
- 19% more light-gathering aperture
- Faster optics at f/6 vs f/7
- Larger image circle (64mm) — supports bigger sensors
Advantages of TEC APO160FL f/7
Closely matched on the compared specs.
Best for — Astro-Physics 190mm f/6 StarFire CS
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Best for — TEC APO160FL f/7
- Medium-sized galaxies and planetary nebulae
Astro-Physics 190mm f/6 StarFire CS — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.81° × 1.21°Scale: 0.68"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.18° × 0.79°Scale: 0.68"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.57° × 0.57°Scale: 0.68"/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
Astro-Physics 190mm f/6 StarFire CS — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
TEC APO160FL f/7 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
