Gran Turismo 71 APO Refractor (A-F71GTII-RD)

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$823.5 ~~$1098~~ In stock

Category: Refractor Telescope

Description

Explore the Stars with the William Optics GT71 Triplet APO Refractor

Elevate your astrophotography with the William Optics Gran Turismo 71, a compact yet powerful triplet APO refractor. Featuring advanced FPL-53 glass for exceptional color correction and clarity, this telescope delivers superb image quality. The precision-engineered f/5.9 focal ratio is ideal for capturing detailed celestial images.

Designed for ease and durability, the GT71 features a robust 2.5" dual-speed focuser and a sleek CNC-machined aluminum body with a retractable dew shield. Perfect for both seasoned astronomers and enthusiastic beginners, this telescope combines top-notch functionality with stunning aesthetics.

Experience unmatched optical performance with the GT71—your portal to the cosmos.

Specifications

Lens Type: Triplet Apochromatic Prime Lens
Focal Length: 419mm
Diameter: 71mm
Aperture: f/5.9
Image Circle: 44mm
Focuser: 2.5" R&P Focuser, compatible with EAF
Adapter Included: 2" -> 1.25" Visual Back
Optional Flattener: FLAT6AIII 0.8x, FLAT GT
Camera Format: Full Frame, APS-C, M4/3
Tube Length: 392mm - 470mm
OTA Weight: 2.95kg / 6.5lbs

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Penelope U. ★★★★★ Oct 20, 2026

I’ve been using this refractor for deep-sky imaging sessions, and the triplet APO optics really cut down on chromatic aberration—no more colorful halos around stars. The included hard case makes transporting it to darker sites much easier than I expected.

George ★★★★★ Oct 19, 2026

The focus ring is incredibly smooth, making fine-tuning a breeze during long imaging sessions. I've already gotten some of my cleanest nebula shots with this scope, and the triplet design really cuts down on chromatic aberration.

Thomas ★★★★★ Oct 18, 2026

I was amazed at how sharp the stars looked even at the edges of the frame during my first test session. The compact size makes it a breeze to set up on my portable mount.