telescopecomparison · 2-way
Astro-Tech AT8RC vs Stellarvue SVX152T
Stellarvue
SVX152T
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.
Key differences
+35% focal length
+34% aperture
Specifications
| Specification | Astro-Tech AT8RC | Stellarvue SVX152T |
|---|---|---|
| Optics | ||
| Type | RC | refractor |
| Optical design | Ritchey-Chrétien | Apo triplet |
| Aperture | 203mm | 152mm |
| Focal length | 1624mm | 1200mm |
| Native f/ratio | f/8.0 | f/7.9 |
| Image circle | 42mm | 60mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 10.0kg | 14.0kg |
Advantages of Astro-Tech AT8RC
- Tighter framing — 1624mm vs 1200mm focal length
- 34% more light-gathering aperture
- Lighter (10kg vs 14kg) — easier to travel with
Advantages of Stellarvue SVX152T
- Wider field — 1200mm vs 1624mm focal length
- Larger image circle (60mm) — supports bigger sensors
Best for — Astro-Tech AT8RC
- Small galaxies, planetary nebulae, lunar & planetary detail
- High-resolution long-exposure work
- Faint-object imaging under dark skies
- Full-frame astro cameras and DSLRs
Best for — Stellarvue SVX152T
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Astro-Tech AT8RC — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.27° × 0.85°Scale: 0.48"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 0.83° × 0.55°Scale: 0.48"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.40° × 0.40°Scale: 0.48"/px
Stellarvue SVX152T — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 1.72° × 1.15°Scale: 0.65"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.12° × 0.75°Scale: 0.65"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.54° × 0.54°Scale: 0.65"/px
Astro-Tech AT8RC — recommended user
Best suited for experienced imagers chasing detail running a backyard imaging setup.
Stellarvue SVX152T — recommended user
Best suited for intermediate imagers building a versatile kit running a permanent observatory setup.