Sky-Watcher
Sky-Watcher Esprit 120 ED APO refractor
- SKU:
- SKW-S11420
- UPC:
- 50234114202
- MPN:
- S11420
- Condition:
- New
- Shipping:
- Calculated at Checkout
On Sale
Description
Sky-Watcher Esprit 120 ED APO refractor
Included:
- Helinear Track focusing system with zero image shift.
- 8 x 50 right angle finderscope
- 2-inch Star diagonal
- 2-element field flattener
- Camera adapter
- D-style dovetail
- Padded case
...
Specs
| SKU: | SKW-S11420 |
| OpticalDesign: | Esprit ED Triplet APO Refractor |
| Glass Elements: | 3 Element 2 BK7/1 FPL-53(ED) |
| Aperture(mm): | 120 |
| Aperture(in): | 4.7 |
| FocalLength(mm): | 840 |
| FocalRatio: | 7.0 |
| DawesLimit(arc seconds): | 0.97 |
| RayleighLimit(arc seconds):: | 1.15 |
| LimMagnitude: | 13.1 |
| Central Obstruction(mm/%): | 0/0 |
| Spot Size(um) | |
| Back Focus(mm): | |
| Wavelength Range(nm): | |
| LightGrasp(>human eye): | 294 |
| Fastar(Hyperstar Available): | NA |
| ImageCircle(mm): | |
| Focuser: | 3.4 Inch 10:1 Ratio Dual Speed Rack and Pinion |
| Dovetail Bar: | Vixen w/Tube Rings |
| Vented: | N |
| MirrorLock: | NA |
| Dewshield: | Extendable |
| Finderscope: | 8x50 RA Erect Image |
| Case: | Y |
| Coatings: | Fully Multi-Coated |
| Weight(lbs/kg): | 22 |
| MaxMagnification: | 236 |
| MinMagnification: | |
| Magnification w/Popular Focal Length Eyepieces | Exit Pupli(mm)/Magnification(x) |
| 40mm Focal Length: | 5.7mm, 20x |
| 32mm Focal Length: | 4.6mm, 30x |
| 25mm Focal Length: | 3.6mm, 30x |
| 18mm Focal Length: | 2.6mm, 50x |
| 13mm Focal Length: | 1.9mm, 60x |
| 10mm Focal Length: | 1.4mm, 80x |
| 8mm Focal Length: | 1.1mm, 110x |
| 5mm Focal Length: | 0.7mm, 170x |
Downloads
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