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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.
| Feature | Details |
|---|---|
| Lens Type | Triplet Apochromatic Prime Lens |
| Focal Length | 419 mm |
| Aperture Diameter | 71 mm |
| Focal Ratio | f/5.9 |
| Image Circle | 44 mm |
| Lens Material | FPL-53 |
| Focuser | 2.5″ Rack & Pinion (R&P) |
| Optional Flattener | FLAT 6AIII 0.8x |
| Adapters | Not Included |
| Camera Format Compatibility | Full Frame and Larger |
| Supported T-Mounts | Canon EF / RF, Nikon F / Z, Sony E, Pentax K, Micro Four Thirds (MFT), FUJI X |
| Tube Length | Adjustable: 392 mm – 470 mm |
| OTA Weight | 2.95 kg (6.5 lbs) |
| Total Weight | Not Available |
