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Celestron Edge HD 1100 OTA

32.999 kr

Model/Varenr.: C91050-xlt
Lagerstatus: Ring for leveringstid
stk.

Det klassiske Celestron Schmidt-Cassegrain-teleskop (SCT) har leveret til en hel generation af observatører og astrofotografer. Nu med vidvinkel- og ultra wide-field okularer, CCD-kameraer i stort format og digitale spejlreflekskameraer i fuld ramme  den klassiske SCT et nyt optisk design - det design er EdgeHD.

Denne blændermodel på 11" er meget populær blandt seriøse observatører og astrofotografer, der ønsker et teleskop med stort lysindtag. Teleskopet leveres komplet med et vidvinkel 23 mm Luminos 2 ″ okular, et 2 ”spejl diagonalt og et 9 × 50 finderscope.

  • Popular 11″ aperture EdgeHD Telescope
  • 2800mm  (f/10 focal ratio)
  • Celestron’s StarBright XLT coatings provide maximum light transmission
  • EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics result in pinpoint stars to the edge of today’s largest imaging sensors and widest eyepieces for best optical performance
  • Aluminium optical tube with tube vents with mesh filter allows hot air to be released from behind the primary mirror for improved cooling
  • Mirror support knobs hold the mirror in place and reduce image shift during imaging
  • Focal ratio of f/7 with the addition of an optional focal reducer, or ultra-fast Fastar/Hyperstar f/2 imaging with a removable secondary mirror
  • A 9×50 finderscope, wide-angle 23 mm Luminos 2″ eyepiece, 2” mirror diagonal included

Specifikationer: 

Optical Design EdgeHD
Aperture 279.4mm (11″)
Focal Length 2800mm (110″)
Focal Ratio f/10
Focal Length of Eyepiece 1 23mm (0.91″)
Magnification of Eyepiece 1 122x
Finderscope 9×50
Star Diagonal 2″ with 1.25″ adaptor
Optical Tube Aluminium
Highest Useful Magnification 660x
Lowest Useful Magnification 40x
Limiting Stellar Magnitude 14
Resolution (Rayleigh) 0.5 arc seconds
Resolution (Dawes) 0.42 arc seconds
Light Gathering Power (Compared to human eye) 1593x
Secondary Mirror Obstruction 95mm (3.75″)
Secondary Mirror Obstruction by Diameter 34%
Secondary Mirror Obstruction by Area 12%
Optical Coatings StarBright XLT
Optical Tube Length 610mm (24″)
Optical Tube Diameter 312.42mm (12.3″)
Optical Tube Weight 28 lbs (13 kg)
Dovetail CGE Dovetail Bar

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