Introducing the Askar 71F
The Askar 71F is a versatile, compact telescope that will appeal to both astronomy enthusiasts and nature-watchers, especially for birdwatching. Carefully designed to meet users' needs, this telescope combines optical performance and ease of use, all in a lightweight, portable design. Whether you're looking for a clear view of the stars or detailed birdwatching, the Askar 71F is the ideal tool to satisfy all your passions.
Mechanical Design for Demanding Users
- The Askar 71F is distinguished by an approach designed to reduce hidden costs while offering an optimized user experience.
- Its retractable lens hood reduces the overall length of the telescope, making it more compact and easier to carry.
- The precision CNC-machined optical tube is painted on the inside to reduce stray light reflections, guaranteeing a sharper image.
- Its elegant combination of blue and white gives it a refined aesthetic.
Focus and Compatibility - Precision and Flexibility
- Equipped with a 2.4" dual-speed R&P rigid focuser, with 1:10 fine adjustment, for smooth, precise adjustments.
- Features a 360° field rotator for easy angle adjustment, ideal for photography and observation.
- Two finder bases are fitted on either side of the focuser, plus an additional base on the handle, allowing accessories to be added without having to dismantle the existing finder.
High Quality Optical Performance
- 71 mm aperture, 490 mm focal length and F/6.9 focal ratio, offering a sharp, bright image for high-quality observations.
- Features quadruplet APO air-gap optics, including an ED glass lens that effectively reduces chromatic aberration, enabling full-format imaging with excellent rendering of surrounding stars.
- Self-leveling design: no need to calculate back focus or add a field corrector, simplifying field set-up.
Accessories Included
- A standard 230 mm Vixen dovetail plate with threaded holes for direct tripod mounting.
- A photographic extension tube with M48 and M54 adapters, for connecting both traditional DSLR cameras and professional astronomical cameras.
- Integrated 2-inch filter thread for quick mounting of your photo accessories and optimum comfort when out and about.
Lightweight and portable
- The Askar 71F has been designed for maximum practicality. Weighing just 2.5 kg (and 3 kg with tube rings and dovetail), it's easy to transport, allowing you to take your equipment wherever your passion calls you, whether under starry skies or out in the wilderness.
Technical specifications
- Opening : 71 mm
- Focal length : 490 mm
- Focal report : F/6.9
- Optics : Quadruplet APO with ED glass
- Auto-aplati : No backfocus calculation required
- Focus: 2.4-inch R&P with 1:10 adjustment
- Field rotator : 360°
- Montage : Vixen 230 mm dovetail
- Accessories : 8 mm and 20 mm eyepieces, 45° rectifying prism, photographic extension tube with M48 and M54 adapters, 2-inch filter thread
Conclusion
The Askar 71F is a lightweight, compact and affordable quadruplet flat-field astrograph telescope, perfect for those who wish to combine astronomical and ornithological observation. Whether you're an amateur astronomer or a passionate naturalist, this telescope will meet all your expectations, offering outstanding image quality and unrivalled versatility.