telescope
Askar
SQA106
106mm Quadruplet astrograph FPL-51 · 580mm f/5.5
Full-frame quad astrograph.
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Product specifications can change. Please verify specifications and compatibility with the manufacturer or retailer before purchasing.
Best for
- Large emission nebulae and star clusters
- Full-frame astro cameras and DSLRs
Specifications
| Optics | |
| Type | refractor |
| Optical design | Quadruplet astrograph FPL-51 |
| Aperture | 106mm |
| Focal length | 580mm |
| Native f/ratio | f/5.5 |
| Image circle | 60mm |
| Full-frame support | Yes |
| Physical | |
| Weight | 6.5kg |
Typical FOV & image scale
With Full-frame (36×24mm, 3.76µm)
FOV 3.56° × 2.37°
Scale 1.34″/px
With APS-C (23.5×15.7mm, 3.76µm)
FOV 2.32° × 1.55°
Scale 1.34″/px
With IMX533 square (11.3×11.3mm, 3.76µm)
FOV 1.12° × 1.12°
Scale 1.34″/px
Typical targets
- IC 443 — Jellyfish NebulaSupernova Remnant · 50′Plan this target
- Sh2-155 — Cave NebulaEmission Nebula · 50′Plan this target
- M17 — Omega NebulaEmission Nebula · 46′Plan this target
- NGC 1893 — Emission Nebula NGC 1893Emission Nebula · 45′Plan this target
- M48 — Open Cluster M48Open Cluster · 54′Plan this target
- NGC 6820 — Emission Nebula NGC 6820Emission Nebula · 40′Plan this target
