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.
- 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