174453 ⎘
Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + only one component having a compound lens the rear component having the compound
Imaging optical system, imaging apparatus and electronic device
#2Binoculars and ocular lens
#3Objective optical system for endoscope
#4Large-aperture telephoto lens system
#5Imaging device with aberration control and method therefor
#6Projector optical system, projector, and method for forming real image in use of projector optical system