William Optics Gran Turismo 71 APO Refractor

GUIDING RINGS AND BAHTINOV MASK INCLUDED

2.5" R&P Focuser

• Extra-smooth 360 deg. rotatable 2.5" R&P focuser with 1:10 dual speed: a treat to use during astrophotography. No image shifting!
• Comes with two locking screws on angled positions for heavy load applications.
• Large aluminum knob with installed thermometer

Simply Beautiful Finish

• 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.

Specifications

• 71mm Aperature 
• Triplet APO Refractor 
• FPL53 Synthetic Flourite Glass
• Fully Multi-Coated With SMC Coating
• F/5.9 Focal Ratio
• 420mm Focal Length
• 2.2Kg Weight
• Retractable Dew Shield 
• Includes Mount Ring, Dovetail Plate (Gold) And Carrying Case