William Optics Gran Turismo GT 81 IV (three element APO FPL53 81 mm f/5,9, 2,5" R&P, Space Gray, SKU: A-F81GTIV)

The William Optics Gran Turismo 81 refractor is a true gem in the world of astrophotography equipment. This three-element apochromatic refractor is designed with precision and craftsmanship, incorporating advanced features that will delight even the most discerning connoisseurs.

At the heart of the Gran Turismo 81 is the high-quality FPL-53 glass, ensuring exceptional color correction and sharpness. With a diameter of φ = 81 mm and a fast focal ratio of f/5.9, this telescope is capable of capturing stunning celestial images with remarkable clarity and detail.

One of the standout features of this telescope is its 2.5-inch Rack and Pinion focuser. Equipped with a 10:1 microfocusing ratio, this smooth and stable focuser allows for precise adjustments, enabling you to achieve optimal focus effortlessly. Whether you're fine-tuning your composition or capturing intricate details of distant galaxies, this focuser proves to be reliable in any astrophotography endeavor.

The Gran Turismo 81 comes with a retractable dew shield, adding convenience and protection to your observing sessions. Its mounting foot adheres to the Vixen standard, ensuring compatibility with various mount systems. Moreover, the telescope exhibits the renowned fit and finish characteristic of William Optics products, a testament to their commitment to quality and craftsmanship.

Let's delve into the technical specifications of the Gran Turismo 81:

• Construction: Apo FPL53 triplet
• Aperture: 81 mm
• Focal ratio: f/5.9
• Focal length: 478 mm
• Retractable dew shield: included
• Dovetail rail: included
• Carrying handle: included, mounted on clamps
• Bahtinov mask: included
• Camera position rotator: included
• Focuser: 2.5" Rack and Pinion with 10:1 microfocusing ratio
• Recommended flattener: FLAT 6A III
• Application: APS-C, Full Frame
• Length: 390 - 460 mm (depending on the position of the dew shield)
• Weight: 3.9 kg

To ensure customer satisfaction, the Gran Turismo 81 comes with a 2-year warranty, reflecting the manufacturer's confidence in the telescope's quality and performance.

For a more detailed description and access to a wealth of intriguing materials, we invite you to visit the manufacturer's official website: https://williamoptics.com/gran-turismo-81-iv

The William Optics Gran Turismo 81 refractor is a masterpiece that combines elegance, functionality, and exceptional optical performance. Whether you're a seasoned astrophotographer or an enthusiast looking to embark on a new celestial journey, this telescope is sure to elevate your stargazing experience to new heights.