telescopecomparison · 2-way
Astro-Physics 92mm f/6.65 Stowaway vs SharpStar 94EDPH
Astro-Physics
92mm f/6.65 Stowaway
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
SharpStar
94EDPH
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
Key differences
+18% focal length
Slower by 1.2 f-stops
Specifications
| Specification | Astro-Physics 92mm f/6.65 Stowaway | SharpStar 94EDPH |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo triplet | Apo triplet FPL-53 |
| Aperture | 92mm | 94mm |
| Focal length | 612mm | 518mm |
| Native f/ratio | f/6.7 | f/5.5 |
| Image circle | — | 44mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 3.2kg | 4.5kg |
Advantages of Astro-Physics 92mm f/6.65 Stowaway
- Tighter framing — 612mm vs 518mm focal length
- Lighter (3.2kg vs 4.5kg) — easier to travel with
Advantages of SharpStar 94EDPH
- Wider field — 518mm vs 612mm focal length
- Faster optics at f/5.5 vs f/6.65
- Larger image circle (44mm) — supports bigger sensors
Best for — Astro-Physics 92mm f/6.65 Stowaway
- Large emission nebulae and star clusters
Best for — SharpStar 94EDPH
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Astro-Physics 92mm f/6.65 Stowaway — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.37° × 2.25°Scale: 1.27"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.20° × 1.47°Scale: 1.27"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.06° × 1.06°Scale: 1.27"/px
SharpStar 94EDPH — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.98° × 2.65°Scale: 1.50"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.60° × 1.74°Scale: 1.50"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.25° × 1.25°Scale: 1.50"/px
Astro-Physics 92mm f/6.65 Stowaway — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
SharpStar 94EDPH — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
