SIGHTRON Infini D50 Refractor Telescope NGA0003

The infini D50 is an astronomical telescope set that includes a refracting astronomical telescope tube with an aperture of 50mm and a focal length of 540mm, an equatorial mount Mini AZ mount, an eyepiece, etc. The telescope tube was developed by experienced optical designers at SIGHTRON Japan and is a high-quality achromatic refracting astronomical telescope incorporating high-precision lenses made in Japan. Each unit is carefully assembled by craftsmen at our own factory in Tainai City, Niigata Prefecture. The infini D50 is an astronomical telescope that pursues "clear visibility and ease of use," and is designed to be easy to use even for beginners. This is a product that Sightron Japan is proud of, with attention to detail hidden in areas that cannot be seen in numerical specifications such as aperture and focal length.

[🌟 Product Highlights & Recommended Points]

● Beginner-Friendly, Authentic Entry Model Even if you’ve never observed stars or planets before, this telescope combines ease of use with reliable performance, allowing you to start stargazing smoothly.

● High-Quality Optics — Japanese-Made Lenses and Precision Design Equipped with a 50mm aperture, 540mm focal length achromatic refractor tube and high-precision Japanese lenses. Carefully analyzed by experienced optical designers, it delivers sharp images with high contrast.

● Internal Design to Effectively Reduce Stray Light The telescope tube features a carefully applied matte finish and an aperture ring to prevent unwanted reflections, ensuring clear visibility of faint stars and planetary details.

● Easy-to-Use Finder Without Adjustment Adopts an "open sight" design that requires no conventional finder alignment. Simply align the two aiming posts to guide your view toward the celestial object you want to observe.

● Mount and Tripod Designed for Smooth Operation Equipped with the compact, lightweight, and intuitive Mini AZ mount. The clamp-free, friction-style mechanism allows free movement, and the full-range slow-motion controls enable precise tracking in both vertical and horizontal directions. The adjustable-height tripod ensures a comfortable viewing posture.

● Rich Accessories to Enhance Your Observing Experience Comes with 10mm (54×) and 23mm (23×) eyepieces and a diagonal mirror for easier viewing. Wide-field design makes it simple to locate targets, allowing beginners to enjoy comfortable stargazing.

● Expandable for Higher Magnification Compatible with standard 31.7mm (American size) eyepieces, so adding optional eyepieces allows higher magnification for detailed planetary observation.

● Includes a Star Guidebook! A 52-page full-color guidebook, “Hoshi Ten Observation,” provides easy-to-understand seasonal star maps and basic observing knowledge, helping beginners feel closer to constellations and celestial targets.

[🌀 Summary]

This telescope is not only ideal as a “first telescope” but also satisfying for those who want to enjoy stargazing in depth. With high-precision Japanese lenses and careful optical design, it can reveal lunar craters, Jupiter’s stripes, and Saturn’s rings. Its lightweight, easy-to-use mount, intuitive finder, and practical accessories make it ready to use right out of the box. Additionally, the included star guidebook helps beginners gain observing knowledge, making this an excellent first telescope to turn the dream of stargazing into reality. It’s a well-balanced telescope suitable for beginners as well as those who want to enjoy detailed views of stars and planets.