Sky-Watcher Evostar 80 APO

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SKU:
SKW-S11100
UPC:
50234111003
MPN:
S11100
Condition:
New
Your price: $1,140.00

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
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