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" 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.

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.

Accessories NOT Included:

- Finder Bracket (Optional)

- Finder Scope (Optional)

What is in the Box

Aluminium carry case- 2 keys, 1.25”-2” adapter, GT71 20^th Anniversary Edition, 2 Mounting Rings, Dovetail plate.