Concentric circle transmission reticles are a special type of transmission-type optical calibration element. They use a highly transparent substrate ....
A protractor reticle is a high-precision optical measuring component that combines angle measurement with optical reticle technology. It is typically ...
The USAF 1951 Resolution Test Card (Resolution Board) is a classic standardized testing tool based on USAF standards, widely used in imaging system .....
Glass Code Plate Glass code disc is the core component for signal transmission in photoelectric encoders,usually made of transparent glass material .....
Black Background White Dot Calibration Board / Photolithography White Film The photolithography white film dot array calibration plate is made using ....
High-Precision Resolution Board The USAF 1951 Resolution Calibration Board is a standard tool used for camera resolution testing and optical system .....