William Optics
William Optics Gran-Turismo 81 WIFD
William Optics Gran-Turismo 81 WIFD
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Unveil the mysteries of the night sky with the William Optics Gran Turismo 81 WIFD, a superb refractor telescope designed for discerning astronomers who demand high-quality optics and robust build quality. This exquisite telescope is part of our renowned Gran Turismo series, known for combining exceptional performance with stunning aesthetics.
Highlights
Superior Optical Quality
The GT 81 WIFD features a triplet apochromatic lens with extra-low dispersion (FPL-53) glass from Ohara, Japan, ensuring outstanding clarity and sharpness with virtually no chromatic aberration.
Enhanced Durability and Precision
Engineered with a precision-machined, ultra-durable housing, this telescope is designed to withstand the rigors of frequent use while maintaining optimal alignment of its optical elements.
Advanced Focusing System
Equipped with our proprietary WIFD (William Optics Internal Focusing Design), this model offers a seamlessly smooth focusing experience, perfect for both astrophotography and serious star-gazing.
Aesthetically Pleasing Design
The Gran Turismo 81 not only performs beautifully but looks the part too, featuring a sleek, retractable dew shield and a glossy white finish with gold trim that embodies elegance and sophistication.
- Lens Type
- Triplet APO Prime Lens
- Focal Length
- 478 mm
- Diameter
- 81 mm
- Focal Ratio
- f/5.9
- Image Circle
- 45 mm
- Focuser
- WIFD R&P Focuser Compatible with EAF
- Focuser Travel
- 0-75 mm (Ruler to 90mm)
- Adapter Included
- M92 Rotator M92 → M63 Adapter
- Optional Flattener
- FLAT GT 1.0x (requires adapter) FLAT 6AIII 0.8x FLAT 68III 1.0x (requires adapter)
- Camera Format
- Full Frame APS-C M4/3
- Dovetail Type
- Vixen ↔︎ Arca-Swiss
- Tube Length
- 420 mm - 500 mm
- OTA Weight
- 3.58 kg / 7.89 lbs
- Total Weight
- 4.56 kg / 10.05 lbs
What's in the box
Main Tube
Bahtinov Cap
M92→M63 Adapter
Dual-side Plate
Mounting Ring & Handle bar
Soft Carry Case
Allen Key Set
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Research It
Find the product you want.
Talk to Us
Get expert guidance fast.
We Source It
Delivered within 4 weeks.
Enjoy It
Be happy with your gear.
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what we get asked most often
Are the prices all-inclusive?
Yes. The price you see is the price you'll pay. All taxes are included. Free shipping on all orders.
What's the stock status of the products on your site?
We list only in-stock items on our website that can be shipped right away. Sold out products are out of stock, so you can't place an order.
Selected products are available for Preorder, with a guaranteed delivery within 30 days or your money back.
How fast do you ship?
We process and ship all orders within two business days. Shipping time is determined by the speed of the shipping partner.
Is there a guarantee on your products?
Yes. On top of the manufacturer's warranty, we also offer a Replacement Guarantee on all online orders. In the event that the product is defective or damaged during shipping, you will receive a replacement.
Can I cancel my order?
We'll refund you 90% if you cancel before dispatch. Cancellations after dispatch are complicated. Take a look at the our Policy here
What's your return policy?
We have strict return/refund policies as a company that deals with fragile products. Casual returns are not permitted. Items that are not damaged in transit or defective cannot be returned.So please take a moment to review our Refund Policy.
Could I order something that's out of stock or not listed?
If you are interested in ordering an out-of-stock item, click the "notify me" button. You will be notified when the item is back in stock.
To source a specific product for you, our team needs more information. Specific orders will be subject to case-by-case terms and conditions.
