telescopecomparison · 2-way
Radian Raptor 75 vs SharpStar 76EDPH


Specifications
| Specification | Radian Raptor 75 | SharpStar 76EDPH |
|---|---|---|
| Optics | ||
| Type | refractor | Refractor |
| Optical design | Petzval quintuplet | Doublet APO |
| Aperture | 75mm | 76mm |
| Focal length | 405mm | 418mm |
| Native f/ratio | f/5.4 | f/5.5 |
| Image circle | 44mm | 42mm |
| Full-frame support | Yes | Yes |
| Physical | ||
| Weight | 4.5kg | 3.2kg |
Advantages of Radian Raptor 75
Closely matched on the compared specs.
Advantages of SharpStar 76EDPH
- Lighter (3.2kg vs 4.5kg) — easier to travel with
Best for — Radian Raptor 75
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Best for — SharpStar 76EDPH
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Radian Raptor 75 — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 5.09° × 3.40°Scale: 1.91"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 3.32° × 2.22°Scale: 1.91"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 1.60° × 1.60°Scale: 1.91"/px
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
Radian Raptor 75 — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.
SharpStar 76EDPH — recommended user
Best suited for beginners and wide-field enthusiasts running a portable travel rig.