Jiaxing Rui Xing Optical Instrument Co., Ltd 简体中文版   English


Refractor series

Modern astronomical telescope can be divided into refractor, reflector and catadioptrics, and the refractor is of non-sheltered aperture and high-contrast. In order to eliminate chromatic aberration, ultra-low dispersion glass is commonly used.



Since appearing on the market of SharpStar 61EDPH, it has been widely praised by astrophotography enthusiasts. However, SharpStar has not been satisfied with this, actively satisfies user needs and causes them to obtain the positive user experience, and is committed to the development of professional telescope. Hence, the 61EDPH II with high performance and versatility was born. Newly upgraded 61EDPH Il Refractor continues the efficiently optical performance of the original model, it features a Triplet air-spaced APO design with a focal length of 335mm and a focal ratio of f/5.5, and includes a piece of extra-low dispersion ED glass, thus offers superior sharpness under chromatic aberration correction in wide field observing and imaging. It is provided a portable and powerful-small format tube with higher optical performance. The anodized tube rings with hollow design and streamlined handles is stylish beautiful, accessories can be attached. The 61EDPH II Equipment also includes a 10cm dovetail plate, it have a screw-hole in the center that allows the camera to be mounted to a tripod for photography. The back-end is equipped with a medium 2.5" rack and pinion precision focuser to be used with a large dedicated reducer. 61EDPH II uses the same smooth and solid F4.5 full-frame focal reducer to match their lens. The 2.3" reducer’s drawtube has a female M63×1 thread for the focuser of objective lens, the other end supplied external male M48×0.75 thread adapter for your camera to ensure the 55mm back focus requirement is satisfied. If you need to extend it, the back focus can be up to 99mm by unscrewing the back adapter and configuring the adapter ring. The reducer features a triplet air-spaced lens, which supports full-frame optics, and eliminates color-fringing for exceptional control, available in 275mm focal length, for an immersive deep-sky object astrophotography experience. The SharpStar 61EDPH II F5.5 refractor features almost the same aperture, focal length, appearance, and size as the original model. On the basis of the first-generation, the 61EDPH II choose to optimize it on the core objective lens. In addition, the reducer is rotatable for composing a shot. Hence a full-frame DSLR will field 360 degrees.



Following the advent of 0.95x coma corrector for Newtonian reflector, SHARPSTAR optics has well received the favor of customers with high praise. A new 1x full-frame coma corrector is now available to meet the needs of different market segments. Optimized for the aberration correction, it adopts a new Quadruplet air-spaced design, which includes an extra-low dispersion lens, same as the 0.95x, it features 2" with 55mm focal length, which is very convenient and simple to connect your imaging equipment.



Brand new 94EDPH is the third model in the SHARPSTAR EDPH series. The 94mm aperture refractor with 517mm (f/5.5) focal length is an amazing performer, it features triplet air-spaced objective, rather special is it incorporates two pieces of extra-low dispersion ED glass, which offers superior contrast and sharpness as well as virtually no detectable chromatic aberration. Adhering to the crafted design concept of EDPH series, the new 94EDPH is elegant, durable and lightweight, which is sure to bring you more pleasant experience. This is such a portable APO refractor can achieve amazing results for both astrophotography and serious visual observing. It is also favorable for updating with sharing a same reducer model with 76EDPH. After using the reducer, it also has a focal ratio of F4.5, which supports full-frame images, bringing more possibilities for deep-sky imaging. If you want to choose a high-quality, portable, large-aperture, fast focal ratio apochromatic refractor telescope, 94EDPH will be one of your most ideal choices.


140PH reducer

The new 3inch full frame reducer for 140PH APO is made of high quality metal, beautiful shape, the focal ratio is reduced from the original F6.5 to F4.8, combined with 140PH APO to provide crystal clear image and bright peripheral stars, it is an indispensable accessory for astronomy enthusiasts.

—— ABOUT ——

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.



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.

Development and introduction of astronomical telescopes