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NexStar 90SLT (OTA)

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متوفر 1 فقط
SKU
CEL-22087(OTA)
إضافة إلى المقارنة
KD 99.000
Brands:
  • High quality 90 mm Maksutov-Cassegrain
  • Good for terrestrial and celestial observing
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Specifications

     

OPTICAL TUBE INFO:  
Optical Design: Maksutov-Cassegrain
Aperture: 90mm (3.54")
Focal Length: 1250mm (49")
Focal Ratio:  f/14
Focal Length of Eyepiece 1:  25mm (0.98")
Magnification of Eyepiece 1:  50x
Focal Length of Eyepiece 2: 9mm (0.35")
Magnification of Eyepiece 2: 139x
Finderscope: StarPointer™ red dot finderscope
Star Diagonal: 1.25
Highest Useful Magnification:  213x
Lowest Useful Magnification:  13x
Limiting Stellar Magnitude:  12.3
Resolution (Rayleigh): 1.55 arc seconds
Resolution (Dawes):  1.29 arc seconds
Light Gathering Power (Compared to human eye): 165x
Apparent Field of View: 
Linear Field of View (@1000 yds): 53 ft (16 m)
Optical Coatings:  Fully Coated 

               
   

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NexStar 90SLT (OTA)

KD 99.000