Enterprise name：Huaian Dong Sheng Photoelectric Instrument Co., Ltd.
Contact: Wang Li
Address: No. 9, Haikou Road, Huaian economic and technological development area.
Description of the configuration of ED85 astronomical telescope
1. Specification model: ED85F510 (light aperture 85, focal length 510, coke ratio for 85/F6 and two chip focal plane mirror calibre 85, focal length 467.5, coke ratio 85/F5.5
Two, lens material: the use of TAG Heuer super low dispersion ED glass FCD1, and bright H-TF3L, known as the double ED glass. A great deal of optimization is done to the color difference.
Three, size and weight: the weight of the mirror is 3.15KG, the length of the mirror is 420MM, and the length of the projection is 480MM..
Four, Part Description: the whole mirror body uses aluminum alloy material, mirror barrel to do the baking paint, other parts for oxidation treatment, the full amplitude of the focus 2.5 inch angle adjuster, 2 inch and 1.25 inch general interface, 10:1 dual speed focusing design, comfortable and accurate hand feel, strong stability. The full focusing flat field mirror is selected at the end of the focusing device, which is not less than the 44mm image circle, and the interface can connect Nikon and Canon. A pair of hoop pairs and universal hatchback telescopic hood are equipped with sliding locks, attached star searching mirrors, dovetail interface and aluminum alloy sandblasting natural oxide cover.