telescopecomparison · 2-way
Orion 8" f/3.9 Newtonian Astrograph vs Vixen R200SS
Orion
8" f/3.9 Newtonian Astrograph
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Vixen
R200SS
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Specifications
| Specification | Orion 8" f/3.9 Newtonian Astrograph | Vixen R200SS |
|---|---|---|
| Optics | ||
| Type | newtonian | newtonian |
| Optical design | Newtonian astrograph | Newtonian astrograph |
| Aperture | 203mm | 200mm |
| Focal length | 800mm | 800mm |
| Native f/ratio | f/3.9 | f/4.0 |
| Image circle | — | — |
| Full-frame support | No | No |
| Physical | ||
| Weight | 10.5kg | 7.5kg |
Advantages of Orion 8" f/3.9 Newtonian Astrograph
Closely matched on the compared specs.
Advantages of Vixen R200SS
- Lighter (7.5kg vs 10.5kg) — easier to travel with
Best for — Orion 8" f/3.9 Newtonian Astrograph
- Medium-sized galaxies and planetary nebulae
- Fast imaging — short exposures per sub
- Faint-object imaging under dark skies
Best for — Vixen R200SS
- Medium-sized galaxies and planetary nebulae
- Fast imaging — short exposures per sub
- Faint-object imaging under dark skies
Orion 8" f/3.9 Newtonian Astrograph — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.58° × 1.72°Scale: 0.97"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.68° × 1.12°Scale: 0.97"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.81° × 0.81°Scale: 0.97"/px
Vixen R200SS — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.58° × 1.72°Scale: 0.97"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.68° × 1.12°Scale: 0.97"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.81° × 0.81°Scale: 0.97"/px
Orion 8" f/3.9 Newtonian Astrograph — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Vixen R200SS — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.