Product Details
New for 2023 - William Optics now includes a free M-CAA63 rotator with this telescope (a $109 value)!
Gran Turismo 71 APO Refractor
The stunning new William Optics Gran Turismo 71 Apo is the new jewel of the apochromatic refractor world. The new GT71 features a 3-element objective using high-quality FPL-53 extra-low dispersion glass that reduces any secondary spectrum to an unbelievable degree.
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.
2.5" R&P Focuser
Extra-smooth 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.
Patented Design
Stainless steel reinforcement inserts on both sides and on the back to allow heavy loading without problems.
Graduated scale for precise camera alignment.
Simply Beautiful Finish
Quality fit and finish: powder-painted white CNC-machined aluminum tube, red trim finish, retractable dewshield, dewshield cap.
Top quality anodizing.
Very compact for carrying on flights.
Standard Package：
CNC Carry Handle/Saddle Bar with integrated Vixen-style slot for compatible guidescopes or finder brackets
New Dual-Sided Dovetail Rail
2.5” R&P Focuser
Innovative Bahtinov Mask Cover (Patented)
Soft Carry Case
Two-year, no fuss warranty and constant customer service!
Optional Accessories：
M63 -2” Rotolock
1.25” Rotolock
All New Slide-base 50mm Guiding Rings
Slide-base UniGuide 32mm or 50mm Scope
New Full frame x0.8 Flattener
Specifications:
Focal Length: 419mm
Diameter: 71mm
Aperture: f/5.9
Camera Format: APS-C, Full Frame
Focuser: 2.5" R&P Focuser
Image Circle: > Full Frame
Recommended Flattener: Flat6AIII
Tube Length (Fully Retracted): 392mm
Tube Length (Fully Extended): 470mm
Dew shield OD: 92mm / 3.62"
Tube Weight: 2.95 kg
Other Information
Country of Manufacture: Taiwan
