telescopecomparison · 2-way
TEC APO140FL f/7 vs SharpStar 140PH

TEC
APO140FL f/7
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.

SharpStar
140PH
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Specifications
| Specification | TEC APO140FL f/7 | SharpStar 140PH |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo triplet fluorite | Apo triplet FPL-53 |
| Aperture | 140mm | 140mm |
| Focal length | 980mm | 980mm |
| Native f/ratio | f/7.0 | f/7.0 |
| Image circle | — | 52mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | — | 9.5kg |
Advantages of TEC APO140FL f/7
Closely matched on the compared specs.
Advantages of SharpStar 140PH
- Larger image circle (52mm) — supports bigger sensors
Best for — TEC APO140FL f/7
- Medium-sized galaxies and planetary nebulae
Best for — SharpStar 140PH
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
TEC APO140FL f/7 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.10° × 1.40°Scale: 0.79"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.37° × 0.92°Scale: 0.79"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.66° × 0.66°Scale: 0.79"/px
SharpStar 140PH — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.10° × 1.40°Scale: 0.79"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.37° × 0.92°Scale: 0.79"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.66° × 0.66°Scale: 0.79"/px
TEC APO140FL f/7 — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
SharpStar 140PH — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.


