Sky-Watcher
Sky-Watcher Evostar 80 APO
- SKU:
- SKW-S11100
- UPC:
- 50234111003
- MPN:
- S11100
- Condition:
- New
- Shipping:
- Calculated at Checkout
On Sale
Description
Sky-Watcher Evostar 80 APO
- 80 mm apochromatic Refractor with Schott BK-7 and FPL-53 ED glass
- 600 mm focal length (f/7.5)
- Dual-speed 2″ Crayford-type focuser with 1.25″ adaptor
- 8×50 RA erect-image finderscope
- 2″ dielectric diagonal
- 20 mm and 5 mm 1.25″ eyepieces
- Tube-ring attachment hardware and Aluminum carry case
Specs
| OpticalDesign: | EvoStar ED Doublet Refractor |
| Glass Elements: | 2 Element BK7/FPL-53(ED) |
| Aperture(mm): | 80 |
| Aperture(in): | 3.1 |
| FocalLength(mm): | 600 |
| FocalRatio: | 7.5 |
| DawesLimit(arc seconds): | 1.45 |
| RayleighLimit(arc seconds):: | 1.73 |
| LimMagnitude: | 12.2 |
| Central Obstruction(mm/%): | 0/0 |
| Spot Size(um) | |
| Back Focus(mm): | |
| Wavelength Range(nm): | |
| LightGrasp(>human eye): | 131 |
| Fastar(Hyperstar Available): | NA |
| ImageCircle(mm): | |
| Focuser: | 2 Inch 10:1 Ratio Dual Speed Crayford w/1.25 Iinch adapter |
| Dovetail Bar: | Vixen |
| Vented: | N |
| MirrorLock: | NA |
| Dewshield: | Fixed |
| Finderscope: | 8x50 RA Erect Image |
| Case: | Y |
| Coatings: | Fully Multi-Coated |
| Weight(lbs/kg): | 7.3 |
| MaxMagnification: | 157 |
| MinMagnification: | |
| Magnification w/Popular Focal Length Eyepieces | Exit Pupli(mm)/Magnification(x) |
| 40mm Focal Length: | 5.3mm, 20x |
| 32mm Focal Length: | 4.3mm, 20x |
| 25mm Focal Length: | 3.3mm, 20x |
| 18mm Focal Length: | 2.4mm, 30x |
| 13mm Focal Length: | 1.7mm, 50x |
| 10mm Focal Length: | 1.3mm, 60x |
| 8mm Focal Length: | 1.1mm, 80x |
| 5mm Focal Length: | 0.7mm, 120x |
Downloads
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