Electronic viewfinders cannot match the clarity of a good opticalfinder.
电子取景器清晰度还无法和光学取景器相比。
2
The utility model adopts a reflector which is specially arranged between the screen and the ocular of the opticalfinder. This reflector can realize the total reflection and open or close.
本发明采用了设置在光学取景器影像屏幕和目镜之间可以开闭的取景器专用的全反射反光镜片。
3
An autonomous optical navigation scheme for landing of spacecraft on a small celestial body based on navigation camera and laser range finder measurements was studied.