- Mirror 4 is just a flat mirror like Newtonian telescope's secondary mirror, to give convenience for eyes.
- With two autocollimations and a big flat mirror, the precision of the parallelization tester can be better evaluated.
- At present, goggles myopic lens into the surface of the mirror and asperity absolutely flat mirror the two major types.
- This is a small, flat mirror that serves to move the image formed by the primary to the side of the tube, where it is viewed with an eyepiece.
- By analyzing the detecting features of seed metering device, a calibra tion method of camera system that is only composed of a single camera and a flat mirror is proposed.
- The relation between form errors of the flat mirror under test and wave-front aberrations, i.e., influence function, can be obtained through sampling the pupil plane.