ECOPTIK (CHANGCHUN) LTD Reticle

The precision optical glass reticle is generally installed on the focal plane of the right eyepiece of the telescope. It is a thin glass with reticle dense lines engraved on the surface of the pole book. In theory, this thin glass also participates in imaging and extends the focal length of the objective lens. , Will have more or less influence on the length of the right eyepiece. BRD Optical is one of a few companies producing reticles, because the reticles require extremely high cleanliness. Any tiny dust will produce large black spots during observation. At the same time, the accuracy of the installation position of the reticle is extremely high. Therefore, try not to disassemble it. If it is disassembled, it must be as it is recovery.