William Optics Gran Turismo 81 IV f/5.9 APO Triplet Refractor Telescope GT81
The William Optics Gran Turismo 81 Triplet is designed to deliver incredible image quality in a compact package. Sitting at a respectable ratio of f/5.9, this FPL53 triplet is well-balanced in light-gathering power. This is no ordinary refractor.
Latest Mark IV model!
Carrying case is included.
Triplet air-spaced objective (FPL-53) in adjustable CNC machined ultra high precision lens cell.
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 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.
- Mounting Rings
- GT81 OTA
- CNC Carry Handle Bar
- Dovetail Plate
- 2.5” R&P Focuser
- Bahtinov Mask Cover
- Soft Carry Case
- Two-year, manufacturer's warranty