Gradient-index lens, and method for producing the same
GRIN lens and method of manufacturing
Grin lens microscope system
Grin lensed optical device
Grin lenses, devices and methods of manufacture
Grin-lens arrangement
Illuminating optical system for endoscope
Image pickup device
Image transmission optical system
Image-reading device
Imaging lens system
Imaging optical apparatus
Imaging optical element
Imaging optical system
Imaging optical system using index distribution type optical ele
Laser diode/lens assembly
Lead glass composition series for gradient glasses
Lead glass composition series for gradient glasses
Lens array, exposure device, and image forming apparatus
Lens for optical scanning, optical scanner, and image...