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William Optics Gran Turismo 71 APO Refractor - Red

William Optics Gran Turismo 71 APO Refractor - Red

Optically Unbeatable

  • Triplet air-spaced objective (FPL-53) in adjustable CNC machined ultra-high precision lens cell.
  • Extremely sharp with excellent color correction.
  • Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces
  • This f/5.9 lens is ideal for astrophotography. 

2" V-power Focuser

  • Extra-smooth new 2" Crayford focuser with 1:10 dual speed: a treat to use during astrophotography. No image shifting (up to 15Lb.)!
  • Comes with two locking screws on angled positions for heavy load applications.
  • Stainless steel reinforcement inserts on both sides and on the back to allow heavy loading without problems.
  • Graduated scale for precise camera alignment.
  • Innovative Bahtinov Mask Cover (Patented) included

Simply Beautiful Finish

  • Quality fit and finish powder-painted white CNC-machined aluminum tube, red trim finish, retractable dew shield, dew shield cap.
  • Top quality anodizing.
  • Very compact for carrying on flights.
  • Telescope tube weight: 4.9 lbs
  • Focal length: 420 mm
  • Focal ratio: f/5.9
  • Aperture: 71 mm
  • William Optics Gran Turismo 71 APO Refractor
  • Built-in Bahtinov Mask
  • CNC Handle Bar
  • 2.5" R&P Focuser
  • Soft Carry Case
  • William Optics Camera Angle Rotator
$326.55

Original: $933.00

-65%
William Optics Gran Turismo 71 APO Refractor - Red

$933.00

$326.55
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Description

Optically Unbeatable

  • Triplet air-spaced objective (FPL-53) in adjustable CNC machined ultra-high precision lens cell.
  • Extremely sharp with excellent color correction.
  • Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces
  • This f/5.9 lens is ideal for astrophotography. 

2" V-power Focuser

  • Extra-smooth new 2" Crayford focuser with 1:10 dual speed: a treat to use during astrophotography. No image shifting (up to 15Lb.)!
  • Comes with two locking screws on angled positions for heavy load applications.
  • Stainless steel reinforcement inserts on both sides and on the back to allow heavy loading without problems.
  • Graduated scale for precise camera alignment.
  • Innovative Bahtinov Mask Cover (Patented) included

Simply Beautiful Finish

  • Quality fit and finish powder-painted white CNC-machined aluminum tube, red trim finish, retractable dew shield, dew shield cap.
  • Top quality anodizing.
  • Very compact for carrying on flights.
  • Telescope tube weight: 4.9 lbs
  • Focal length: 420 mm
  • Focal ratio: f/5.9
  • Aperture: 71 mm
  • William Optics Gran Turismo 71 APO Refractor
  • Built-in Bahtinov Mask
  • CNC Handle Bar
  • 2.5" R&P Focuser
  • Soft Carry Case
  • William Optics Camera Angle Rotator