New

New 2018 Gran Turismo 81

-> Gran Turismo 81 Manual <-

PDF Manual - 7 Pages

Notice: 

At this time, orders are crowded, new orders will be shipped in a week.

Out of stock
SKU
A-F81GTII

Innovative Bahtinov Mask Cover (Patented) & New Dovetail Plate included!

The new 2018 GT81 three-element super APO offer superb quality for imaging and visual use at an affordable price!From the pristine white finish on the CNC to the elegant gold trim which has more than just good looks...

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.

2.5”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 dewshield, dewshield 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.

·  Though you will never need it, you have a 2-year warranty from WO, and the certainty that we will be there to assist you even beyond that, if you need!

Standard Package:

• Mounting Rings

• Guiding Rings

• New Dovetail Plate

• 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 50mm/F4 Rotolock Guide scope 

• New Full frame x0.8 Flattener 

Retracted Length:390mm

Tube with Rings and Dovetail Weight:3.84kg

Specification
Specification
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