Archivos de junio, 2021

Analysis on the repair method of surface precision in the processing of ultraviolet transparent optical lens

Miércoles, junio 23, 2021

Optical lens processing is the main processing product of Evita, and one of the important applications is optical ultraviolet optical lens. As we all know, light ultraviolet rays are divided into near ultraviolet (UV-A, 320nm-400nm), ultraviolet (UV-B, 280nm-320nm) and ultraviolet […]

Some experience of adjusting the optical axis of the reentrant telescope

Miércoles, junio 9, 2021

There are also two mirrors used, the first one is C8, Shika; the second one is the MEWLON210 on hand, Cassegrain. In spite of this, the adjustment of the optical axis of the catadioptric has been ineffective, and there is […]