telescope
Askar
SQA106
106mm Quadruplet astrograph FPL-51 · 580mm f/5.5
Full-frame quad astrograph.
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
- NGC NGC 6357 — Lobster NebulaEmission Nebula · 50′
- IC IC 443 — Jellyfish NebulaSupernova Remnant · 50′
- Messier M17 — Omega NebulaEmission Nebula · 46′
- NGC NGC 1893 — Emission Nebula NGC 1893Emission Nebula · 45′
- Messier M48 — Open Cluster M48Open Cluster · 54′
- NGC NGC 2070 — Tarantula NebulaEmission Nebula · 40′
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