Apochromatic telescopes

Apochromatic telescopes
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Teleskop Service ED apochromat with 125 mm aperture f/7.8 with perfect chromatic correction and photographic 2.5" R&P focuser.
1649.00 €
Estimated delivery time : 1-4 days
 
 

The 140 mm f/6.5 triplet apochromat convinces with a pure color image and a powerful 4" RAP focuser.

  • Aperture 140 mm
  • Focal length 910 mm
  • Fast focal ratio f/6.5
  • Air-spaced triplet objective - 2 ED elements provide an image free from chromatic aberration
  • Solid 4" rack and pinion focuser with dual speed - ideal for astrophotography
  • Intermediate threads for screwed adaptations, e.g. M68x1 female thread
  • Retractable dew shield
  • CNC tube rings, carrying handle and dovetail bar are included in the scope of delivery
  • Carbon tube for easier transport and high stability
  • Delivery in transport case
  • Every apochromat is tested by the manufacturer and Teleskop-Service before shipment
  • Each apo receives a serial number and is delivered with a photographical test certificate
4499.00 €
Estimated delivery time : 1-4 days
 
 
The apochromat is still portable and ideal for mobile astrophotography. Of course the apo is also a fine telescope for the observatory. 
3599.00 €
Estimated delivery time : 1-4 days
 
 
The largest apo from Teleskop-Service is the inexpensive entry into the world of really big refractors. Such a telescope offers joy for a lifetime and is an attraction in every observatory.
4795.00 €
Estimated delivery time : 4-8 weeks
 
 
The PhotoLine 60 mm f/6 APO refractor is the perfect travel telescope for observation and photography.
469.00 €
Estimated delivery time : 1-4 days
 
 

TS Photoline APO refractor wit 72 mm aperture and fast f/6 focal ratio, a great travel telescope for observation and astrophotography.

  • Powerful, aberration-free apochromatic refractor with 72 mm aperture and 432 mm focal length.
  • Fast focal ratio: f/6
  • FPL53 doublet objective (Ohara Japan), air-spaced - additional lanthanum glass element, so no chromatic aberration
  • 2.5" dual-speed rack-and-pinion focuser - ball bearing mounted for maximum load with M63x1 female thread for adaptions
  • Retractable dew shield - the apo even fits into the hand luggage
  • CNC tube rings with versatile dovetail bar - EQ5 style and with photo tripod connection.
  • Finder shoe on the focuser is included
  • Weight only 2.18 kg - transport length only 31 cm
599.00 €
Estimated delivery time : 1-4 days
 
 
From the beginning, the goal was to create the best possible design for an affordable, small, lightweight, and fast Apochromatic refactor for astrophotography.

Characteristics:

  • 4 lens Petzval optical design
  • Aperture 51mm, focal lenght 250mm, f/4.9
  • Massive OTA from Aluminum alloy
  • Compact and ultra portable
  • Field rotator
  • Helical focuser design
  • Tilting platform
  • Field illumination even for full frame sensors
1061.00 €
Estimated delivery time : 2-3 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
 
 
This three-lens apochromat with FPL-53 element and STM coating delivers color-pure, crisp images! Stars are pin sharp points, bright objects like moon and planets show no color fringes, but a lot of details!

Characteristics:

  • 3 lens Apochromat with FPL-53 element
  • Aperture132mm, focal lenght 910mm, f/6.9
  • Optimized OTA
  • Attachable WO flatteners / correctors
  • 3.3" R&P focuser
  • Field illumination even for full frame sensors
5490.00 €
Estimated delivery time : 3-4 weeks
 
 
The APO refractor Fluorostar has a three-lens air-gap objective using the ED special glass FPL-53 from Ohara, Japan, and glass made of lanthanum.

Characteristics:

  • 3 lens air spaced FPL-53 / lanthanum design
  • Aperture156mm, focal lenght 1217mm, f/7.8
  • Optimized OTA
  • Attachable WO flatteners / correctors
  • 3.7" R&P focuser
  • Field illumination even for full frame sensors
8449.00 €
Estimated delivery time : 3-4 weeks
 
 
Discover the universe in breathtaking clarity with the William Optics Fluorostar 120 Telescope!

Key data:
  • High quality 3 lens optics with FPL53 lenses
  • CNC tube
  • Massive 3.3" R&P focuser with 1:10 reduction ratio
  • Focal length 780mm
  • Aperture 120mm
  • Focal ratio f/6.5
  • APS-C and Fullframe Format

  
4790.00 €
Estimated delivery time : 3-4 weeks
 
 

The new ZenithStar 61 are the most versatile and lightest apos from William Optics.

  • High-quality optics with FPL53 lenses
  • Universally applicable for nature and astronomical observations
  • Ideal for astrophotography
  • An ideal travel instrument
  • Precise R&P focuser with 1:10 gear reduction
799.00 €
Estimated delivery time : 3-4 days