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Explore Scientific ED APO 102mm F7 FCD-100 CF Hex Focuser

 
1 819,95 €
SKU:
ES0112109
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Explore Scientific ED Apochromatic 102mm F/7 FCD-100 Carbon Fiber Refractor Hexafoc Focuser

Highly corrected 102mm air-spaced triplet apochromat (with three lenses) and carbon fiber tube and a 2.5" high-precision HEXAFOC focuser.   

Apochromats are the ultimate choice in small to medium sized telescopes: the combination of compactness, transportability, very high image contrast and sharpness together with the possibility to make excellent astrophotos cannot be bested. The advances in glass manufacturing during the last few years have made true apochromats available to more astronomy enthusiasts than ever before. The new Explore Scientific FCD-100 Alu Hex represents another major improvement in this field - the overall correction (color and spherical) is setting new standards in this price class. The optical design shows a polystrehl value of 0,97 indicating a level of correction that is absolutely top of the line.

This excellent apochromat is a very versatile telescope: the fast f-ratio makes short exposure times possible. The high contrast and sharpness of the image provide breathtaking views of large objects like the North america nebula or the Andromeda galaxy as well as tack sharp planetary images. The telescope is lightweight and compact - the dew shield slides down the tube to minimize size for transportation. Revolutionary glass and precision manufacturing created a telescope that offers observing joy on the highest level. This does not only qualify this telescope as the ideal travel scope, it is also the perfect choice for fast observations and for astrophotography. The excellent 2,5" HEXAFOC focuser with 10:1 reduction is perfect for this - the large inner diameter of 65mm prevents vignetting by the focuser when the telescope is used for astrophotography with large sensors. 



SPECIFICATIONS

  • Aperture: 102mm
  • Focal Length: 714mm
  • Focal ratio: f/7.0
  • Design: Apochromat with three lenses, two air spaces and FCD-100 glass
  • Weigth: 3,3kg , lightweight due to carbon fiber tube
  • Backfocus: 150mm above 2" adaptor
  • Design: Apochromat with three lenses, two air spaces and FCD-100 glass

 

SCOPE OF DELIVERY

 

  • Optical tube with retractable dew-shield
  • 2.5" HEX focuser with 1:10 gear reduction  
  • 2" Star Diagonal 99% reflectivity
  • Extension tubes for focuser (2pcs)
  • Tube rings with dovetail plate and handle
  • Extension tubes for focusser (2pcs)
  • Dust caps for front-lens and focuser
  • Universal finder slot

 

OPTICAL SPECIFICATIONS
Optical design Apochomatic Refractor
Magnification from 20
Max recommended magnification 200
Objective diameter 102 mm
Focal length 714 mm
Aperture ratio 7
Type of coating Enhanced Multilayer Desposition (EMD)
Mount Type Optics without Mount
Material OTA Carbon fiber
Focusing system 2.5" Hexafoc DeLuxe with 10:1
Colour Carbon Fiber
Ext. warranty after online registration          5 Years
Net weight (without access.) 3300 g
Total length 56 cm
Total width 14.5 cm
Total height 14.5 cm
Tube diameter 121 mm
Tube length 560 mm
Eyepiece Barrel Diameter 50.8 mm
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