According to the users’ and market demands, Sharpstar has newly launched an integrated astrograph—Z4. It has an aperture of 100mm and the focal ratio is f/5.5. Z4 is a sextuplet astrograph with three pieces of lens at the front and three pieces at the back, and two of them are ED glasses. Just like other series of Sharpstar astrographs, Z4 is designed as self-flattened so there is no need to calculate the back focus. You can just make the target stay at the focus, and the optical system is perfect for imaging.More+
As the first long-focal-ratio Flatfield astrograph from Askar, 107PHQ is born with a special mission: whether you are just getting started in astrophotography, or an enthusiast who has been quite familiar with all equipment and devices, you can always find Askar 107PHQ a useful astrograph which is functionally practical and physically attractive. It’s especially amateur or beginner friendly since you don’t need to attach an extra field flattener to get a satisfactory picture. And for the fact that you don’t need a flattener and you can easily get over back-focus calculation and confusing connection steps, all you need to do is to equip your 107PHQ with any possible imaging devices, make the target stay at the focus, and then the whole optical system is perfect for imaging.More+
Mark III is a lightweight and portable German equatorial mount with a delicate harmonic gear system. Despite its lightweight of 7.95kg, Mark III boasts outstanding payload capacity, quick dynamic response and accurate data-transmission and processing. It’s a great option for astro-observation or astrophotography, and a handy and functional helper along your journey to the universe exploration.More+
Sharpstar takes the initiative in launching the very first 150mm hyperbolic Newtonian reflective telescope with an extremely-fast focal ratio of f/2.8(15028HNT). It has garnered a quite large following since its advent. Not indulging in this great achievement, Sharpstar keeps the creativity and dynamism, introducing 13028HNT to our customers, which has a same focal ratio but a slightly smaller aperture size.More+
Jiaxing Ruixing Optical Instrument Co., Ltd. is located in Jiaxing City, Zhejiang Province, where the scenery is beautiful and outstanding. The company covers an area of 1,000 square meters and is close to the expressway and 320 National highway. The traffic of the high-speed railway station is very convenient. Founded in 2000, the company is a modern company specializing in the design, manufacture and sales of medium and high-end astronomical telescopes, ground observation telescopes and their peripheral supporting products. OEM has more than 10 years of experience in OEM OEM OEM production, during which to build high-quality, high-level astronomical telescope series products for foreign customers. The three-piece and four-piece high achromatic ED telescope optical tube produced by the company has high quality optical level, high precision mechanical processing and excellent surface treatment, and is well received by customers.
Optimize the position of the optimal imaging area on the photo with the star test