William Optics - Zenithstar 61II APO Refractor OTA - Red

SKU
WIL-A-Z61IIRD
Special Price $539.00 Regular Price $599.00
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The William Optics Zenithstar 61 is a 61mm doublet apochromatic refractor. Using FPL-53 Glass this telescope provides excellent aberration correction.

Beautiful red and white finish. 

Full frame image circle and a focal ratio of f/5.9 makes it ideal for both observing and imaging.  

This compact scope is lightweight and easy to travel with at just 3.2 pounds and 9 inches when retracted.  

2 year warranty. 

William Optics Zenithstar 61II APO Refractor OTA - Red

The William Optics Zenithstar 61II is a 61mm doublet apochromatic refractor.  Designed for both observing and imaging use, the Zenithstar 61 has a focal ratio of f/5.9, a full frame image circle, and a 2" rack and pinion focuser.  This model has red accents and accessories.  

William Optics Zenithstar 61II Features:

  • 61mm aperture doublet apochromatic refractor with FPL-53 optical glass
  • Focal ratio of f/5.9
  • Focal length 360mm
  • Image circle: Z61 Φ 41 mm / Z61 with Flat 61 Φ 43 mm
  • 2” rack and pinion focuser 
  • Retractable optical tube from 230mm to 300mm
  • End cap with Bahtinov mask
  • Handy VIxen dovetail handle bar for carrying and attaching additional accessories
  • 210mm dual Vixen/ Arca Swiss dovetail to attach to the mount or tripod of your choosing
  • Power white finish optical tube with red accents and accessories

If you're looking for a high performance refractor that is ideal for travel, the William Optics Zenithstar 61 is hard to beat.  This telescope weighs less than 3 pounds and retracts to less than 10 inches allowing it to fit neatly into a flight case of your choosing.   Paired with a compact tracking mount or photo tripod and head,, traveling with the Zenithstar 61 is easy.  With an image circle larger than full frame, the Zenithstar can accommodate large sensor cameras.  FPL-53 optical class provides exceptional clarity, contrast and color, and with partial dispersion it is very close to fluorite performance without the high cost of using fluorite glass.   Each refractor is thoroughly tested with an interferometer ensures excellent performance.  

Warranty

2 year manufacturer warranty

More Information
Brand William Optics
Free Shipping Free Shipping Available
Aperture 61mm
Case Included No
Focal Length 360mm
Focal Ratio F/5.9~
Focus Type 2” rack & pinion
Finderscope Included None
Diagonal Included None
Included Dovetail To Mount Vixen/ Arca Swiss, Top mount for accessories: Vixen
Optical Tube Material Aluminum
Limiting Stellar Magnitude 10
Optical Coatings Fully Multi-Coated
Optical Tube Length 9 inches to 11.8 inches at full extension
Optical Tube Weight 3.2 pounds
Warranty 2 year manufacturer
In The Box
  • Zenithstar 61 OTA with Red Accents
  • 2" Dual Speed Rack & Pinion Focuser
  • 1.25" Compression Ring Adapter
  • Rotating L Photo Tripod Bracket
  • Bahtinov Mask End Cap
  • Carry Case
  • Mounting Ring
  • CAT Vixen Handle Bar
  • 210mm Vixen/ Arca Swiss Dovetail
  • Zenithstar 61 OTA with Red Accents
  • 2" Dual Speed Rack & Pinion Focuser
  • 1.25" Compression Ring Adapter
  • Rotating L Photo Tripod Bracket
  • Bahtinov Mask End Cap
  • Carry Case
  • Mounting Ring
  • CAT Vixen Handle Bar
  • 210mm Vixen/ Arca Swiss Dovetail
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