Description
Sky-Watcher Evostar 72 APO
- 72 mm apochromatic refractor with matched lens assembly with one ED element
- 420 mm focal length (f/5.8)
- Dual-speed 2” Crayford-type focuser
- Tube-ring attachment hardware with V-style dovetail plate
- Aluminum case
Specs
SKU: | SKW-S11180 |
OpticalDesign: | EvoStar ED Doublet Refractor |
Glass Elements: | 2 Element BK7/FPL-53(ED) |
Aperture(mm): | 72 |
Aperture(in): | 2.8 |
FocalLength(mm): | 420 |
FocalRatio: | 5.8 |
DawesLimit(arc seconds): | 1.61 |
RayleighLimit(arc seconds):: | 1.92 |
LimMagnitude: | 12.0 |
Central Obstruction(mm/%): | 0/0 |
Spot Size(um) | |
Back Focus(mm): | |
Wavelength Range(nm): | |
LightGrasp(>human eye): | 106 |
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): | 4.3 |
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