Founded in 1995, Kanyuan Optics Product Co., Ltd., is a Sino-foreign joint venture China telescope accessories manufacturer and wholesaler of all kinds of optics products, optical instrument and optical components. All our Oem telescope accessories have already been used in many kinds of companies, such as electronic and fine mechanics, medicine, chemical, education, printing, authenticate, lab and science explore. Insisting on manufacturing military and civilian products simultaneously, integrating optics with electronics, and combining research, production and trade, our company will become a competitive optics and optoelectronic enterprise. We have passed the evaluations of ISO9001 and CE certifications.

The multi-function VersAgonal, shown on a Schmidt-Cassegrain telescope. The VersAgonal system is a 2 inch diagonal with 1.25 inch adapter, a flip mirror, a visual Barlow, a photographic Barlow, a visual telecompressor, a photographic telecompressor, an eyepiece projection adapter, a manual shutter, and a radially adjustable off-axis guider. The VersAgonal allows simultaneous attachment of an eyepiece and camera, where the image can be switched to either one. The VersAgonal with its standard attachments, the VersAdapter (TM), VersaGuider (TM), and a telescope T-adapter. The VersAdapter adapts 1.25 inch eyepieces to both the top and back of the VersAgonal, as well as facilitating eyepiece projection photography. The patented (U.S. Patent D311,923) radially adjustable spear prism VersaGuider is inserted into the top of the VersAgonal for use. Introduced in 1984, the VersAgonal is still the premier telescope enhancement accessory!

Left: The patented Deluxe DiaGuider (TM) was first introduced in 1987. With its prism assembly down as shown in the front view at left, the DiaGuider is a high quality star diagonal. With the prism partway up as shown at right, the DiaGuider is an adjustable off-axis guider, and with the prism all the way up, it is a simple camera adapter. The vertically adjustable prism of the DiaGuider makes it well suited to visually acquiring objects for electronic imaging or film protography. Other built-in user friendly features include an adjustable height eyepiece holder to parfocalize an eyepiece with a camera, and a manual shutter to simplify acquiring dark frames with electronic imagers or to interrupt long manually guided deep sky exposures. The fully captive rear roatating T-threads permit secure rotation of a camera without risk of the rear thread assembly falling off. The Basic DiaGuider is similar to the Deluxe version shown above except that it has a fixed height eyepiece holder, fixed rear T-threads that use a lock ring to adjust camera rotation, and lacks the manual shutter.

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