ThaiExcite
88/41 Kanlapapruek Road, Bangkae, Bangkae, 10160, Bangkok, ประเทศไทย
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URL: http://www.thaiexcite.com/William-Optics-Gran-Turismo-81-IV-f-5.9-OTA-Gold.html
Explore the Skies with the William Optics Gran Turismo 81
Discover precision astrophotography with the compact and powerful Gran Turismo 81 IV f/5.9 APO Triplet Refractor. Equipped with a high-quality FPL-53 triplet lens for exceptional clarity and color correction, this telescope is perfect for capturing detailed celestial images. Its robust 2.5” R&P focuser ensures precise adjustments without image shift, while the elegant design features a retractable dew shield and a durable white powder-coated finish with gold trim. Ideal for travel, the GT81 comes with a soft carry case and all essential adapters, making it a top choice for astronomers on the go.
What's in the box
Specifications
Aperture | 81mm |
Focal Ratio | F/5.9 |
Focal Length | 478mm |
Resolving Power | 1.43" |
Limiting Magnitude | 12.2 |
Objective Type | Three element with FPL-53 Air Spaced, Fully Multi-Coated,STM coatings |
Lens Shade | Retractable |
2.5" Rack and Pinion Focuser | 1:10 fine focus 1.25" Adapter |
Field Stops | Knife-Edge Baffles |
L-type Mount | Bracket |
Tube Diameter | 90mm |
Tube Length | (390 mm) Fully Retracted |
Tube Weight | 3.95kg |