William Optics

William Optics Gran Turismo 81 Mark IV - Red

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Your Price: $1,409.99
SKU:
A-F81GTIV-RD
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Product Overview

The William Optics Gran Turismo Mark IV is Optically Unbeatable

  • Triplet air-spaced objective (FPL-53) in adjustable CNC machined ultra high precision lens cell
  • Extremely sharp
  • 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


Simply Beautiful Finish

  • Pure William Optics quality fit and finish: powder-painted white CNC-machined aluminum tube, gold trim finish, retractable dewshield, dewshield cap
  • Top quality anodizing
  • Very compact for carrying on flights


Attention to Details

  • 2" & 1.25" adapter included
  • Anti-marring brass compression rings


R&P FOCUSER

2.5” R&P Ultra robust focuser with 1:10 dual speed: a treat to use during astrophotography. No image shifting! Heavy duty: perfect for your accessories.


SIMPLY BEAUTIFUL FINISH

Pure William Optics quality fit and finish powder-painted white CNC-machined aluminum tube, gold trim finish, retractable dew shield, dew shield cap. Top quality anodizing.

Very compact for carrying on flights.


ATTENTION TO DETAILS

  • 2" & 1.25" adapter included in the price.
  • Anti-marring brass compression rings.
  • 90mm mounting rings are optional.
  • Though you will never need it, you have a 2-year warranty from WO and the certainty that we will be there to assist you even beyond that, if you need!


PACKAGE CONTENTS:

  • Mounting Rings
  • GT81 OTA
  • CNC Carry Handle Bar
  • Dovetail Plate
  • 2.5” R&P Focuser
  • Bahtinov Mask Cover
  • Soft Carry Case


Two-year, no fuss warranty and constant customer service!

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