





Gran-Turismo 71
說明
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.
- Lens Type
- Triplet Apochromatic Prime Lens
- Focal Length
- 419 公釐
- Diameter
- 71 公釐
- Focal Ratio
- f/5.9
- Image circle
- 44 公釐
- Focuser
- 2.5" R&P Focuser Compatible with EAF
- Focus travel
- 93 mm
- Adapter Included
- M63 → 2" Visual Back 2" → 1.25" Visual Back
- Optional Flattener
- FLAT GT 1.0x FLAT 6AIII 0.8x
- Camera Format
- Full Frame APS-C M4/3
- Tube Length
- 392 公釐 - 470 公釐
- OTA Weight
- 2.95 公斤 / 6.5 lbs
選擇選項






Gran-Turismo 71
促銷價$933.00 USD
Tax Excluded