Refracting telescopes

Refracting telescopes
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High Quality 127 mm ED Apo by Explore Scientific.
1849.00 €
Estimated delivery time : 1-4 days
 
 
The optical design shows a polystrehl value of 0,97, indicating a level of correction that is absolutely top of the line.
1869.00 €
Estimated delivery time : 1-4 days
 
 
The fast flatfield apochromat with 94 mm aperture and 414 mm focal length was developed by Teleskop-Service for astrophotography.
1899.00 €
Estimated delivery time : 1-4 days
 
 

TS PHOTOLINE 106 mm f/6.6 triplet apochromat with color-clean image with high-quality triplet lens from Japanese production

  • Aperture 106 mm / focal length 700 mm / focal ratio f/6.6
  • Multi-coated 3-element lens with FCD100 APO element (similar to FPL53) from Hoya (Japan) for a color-pure image
  • The lens including cell is made in Japan
  • Lens is adjustable with pull and push screws
  • Internal baffles for higher contrast and fewer reflections
  • 3.5" dual-speed RAP focuser with improved bearing of the draw tube - supports cameras up to 10 kg without shifting
  • Connection for screw adaptions via M63x1 female thread - 2" and 1.25" receptacle
  • Powerful telescope also for observing with clear, high contrast image
  • Retractable dew shield for transport
  • CNC tube rings, Vixen/EQ5 style dovetail bar, carrying handle and finder shoe are included in the scope of delivery
  • Each Apo is visually and mechanically inspected and tested before shipment
1899.00 €
Estimated delivery time : 1-4 days
 
 
William offers with the REDCAT61 Astrograph a very well corrected telescope for astrophotography up to full frame format.
  • Aperture 61 mm / Focal length 300 mm / Focal ratio f/4.9
  • Petzval design with chromatic aberration free FPL53 objective (4 elements in 3 groups)
  • Very well corrected and illuminated image field up to full frame format - the corrector is built in - no more adapter battle necessary
  • Camera connection via M48 male thread (suitable adapters are available) - working distance 55 mm
  • 360° rotation of the camera for the right display window
  • Focusing via internal focusing (William Internal Focus Design - WIFD) as with telephoto lenses
  • Tilting option for individual adjustment of the camera sensor to the telescope
  •  Flexible dovetail bar at the base (long version), suitable for Vixen style and Arca-Swiss saddle plates, in addition with 1/4" female photo tripod thread
  • Nylon carrying bag and Bahtinov mask for astrophotography are included in delivery
1899.00 €
Estimated delivery time : 3-4 weeks
 
 

The William Optics GT 81 apo stands for optimal chromatic correction and best possible contrast - a powerful travel telescope for observation and photography.

  • Aperture 81 mm
  • Focal length 480 mm
  • Focal ratio f/5.9
  • Multicoated FPL53 triplet lens with air gap
  • 2.5" RAP focuser with M63x1 connection thread, as well as 2" and 1.25
  • Multifunction handle with holder for guide scopes
  • Bahtinov mask integrated
  • Variable carrier bag
  • Vixen/EQ5 style dovetail bar
1899.00 €
Estimated delivery time : 1-4 days
 
 

Innovative and revolutionary William Optics design combines precise internal focusing with the highest quality optics available to create the ultimate apochromatic refractor for astrophotography

  • FPL53 Triplet Lens
  • Aperture 81 mm, focal length 480 mm
  • Internal focusing prevents image shift and vignetting
  • Saddle bar handle for mounting the guiding telescope
  • Incl. test report
  • Incl. carrying bag
1999.00 €
Estimated delivery time : 1 week
 
 
A classic two-element, air-spaced, achromatic refractor with outstanding performance
2228.00 € 2060.90 €
Estimated delivery time : 1-4 days
 
 
Highly corrected 102mm air-spaced triplet apochromat (with three lenses) and carbon fiber tube and a 2.5" high-precision HEXAFOC focuser.
2109.00 €
Estimated delivery time : 3-4 days
 
 
The new 100 mm f/5.8 Quadruplet Astrograph from TS.
2299.00 €
Estimated delivery time : 1-4 weeks
 
 
The high-end Evostar-150ED Apo doublet features an undisclosed combination of one Extra-Low Dispersion (ED) glass element and a matched crown element.
2499.00 € 2311.58 €
Estimated delivery time : 1-4 days
 
 
The optical design shows a polystrehl value of 0,97, indicating a level of correction that is absolutely top of the line.
2349.00 €
Estimated delivery time : 1-4 days