Cluster lens system such as for use in photographic printers
Diffractive-refractive photographic optical system
Electronic imaging system
High-aperture-ratio inner-focus telephoto lens
Image forming optical system having diffractive optical element
Image pickup optical system and camera having it
Imaging lens and image pickup apparatus including the same
Imaging optical system and image capturing apparatus...
Inner-focus-type lens
Intermediate telephoto lens system
Intermediate telephoto lens system
Internal focus telephoto lens for an auto focus camera
Internal focusing telephoto lens
Internal focusing telephoto lens
Internal focusing telephoto lens
Internal focusing telephoto lens system
Large aperture, medium telephoto lens system
Large-aperture medium-range telephoto lens system
Large-aperture-ratio internal focusing telephoto lens
Lens system for a head separated type charge coupled device came