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ProAstroz - Australia's leading William Optics & exclusive Founder Optics Distributor
ProAstroz - Australia's leading William Optics & exclusive Founder Optics Distributor

William Optics Gran Turismo 81mm IV f/5.9 Imaging APO Triplet Refractor FPL-53 ED APO GT81 Telescope Astrophotograph

Original price $2,449.00 - Original price $2,449.00
Original price
$2,449.00
$2,449.00 - $2,449.00
Current price $2,449.00

William Optics Gran Turismo 81mm IV f/5.9 Imaging APO Triplet Refractor FPL-53 ED APO GT81 Telescope Astrophotograph - Australian Authorised dealer

Latest Mark IV model! 

Add the FLAT6AIII Flattener here.
Add a T mount for your DSLR camera
here. 

Carrying case is included. 

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.

Optically Unbeatable

Triplet air-spaced objective (FPL-53) in adjustable CNC machined ultra high precision lens cell.
Extremely sharp.
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.
R&P Focuser

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.

Package Contents:

- 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