telescopecomparison · 2-way
SharpStar 76EDPH vs SharpStar 100QII
SharpStar
100QII
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-24% focal length
-24% aperture
Specifications
| Specification | SharpStar 76EDPH | SharpStar 100QII |
|---|---|---|
| Optics | ||
| Type | Refractor | refractor |
| Optical design | Doublet APO | Quadruplet astrograph |
| Aperture | 76mm | 100mm |
| Focal length | 418mm | 550mm |
| Native f/ratio | f/5.5 | f/5.5 |
| Image circle | 42mm | 44mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 3.2kg | 5.5kg |
Advantages of SharpStar 76EDPH
- Wider field — 418mm vs 550mm focal length
- Lighter (3.2kg vs 5.5kg) — easier to travel with
Advantages of SharpStar 100QII
- Tighter framing — 550mm vs 418mm focal length
- 32% more light-gathering aperture
Best for — SharpStar 76EDPH
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Best for — SharpStar 100QII
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
SharpStar 76EDPH — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 4.93° × 3.29°Scale: 1.86"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 3.22° × 2.15°Scale: 1.86"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.55° × 1.55°Scale: 1.86"/px
SharpStar 100QII — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 3.75° × 2.50°Scale: 1.41"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 2.45° × 1.64°Scale: 1.41"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.18° × 1.18°Scale: 1.41"/px
SharpStar 76EDPH — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
SharpStar 100QII — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.