K&L Gates LLP
Infrared optical system and infrared imaging apparatus
Provided is an infrared optical system including: three lenses of a first lens, a second lens, and a third lens that are provided from an object side to an image-surface side, the first and third lenses being each configured as a spherical lens made of an inorganic material and having a positive refractive power, the second lens being configured as a meniscus lens made of a resin material and having aspherical surfaces; and an aperture stop that is provided between any two of the first to third lenses.
SONY CORPORATION
G G
G02B G02B
inventional inventional
Masahiro Hidetoshi
Saito Kabasawa