Image sensing apparatus which intentionally retains longitudinal chromatic aberration

   
   

An image sensing apparatus has an optical lens system and a color image sensing device. The optical lens system forms an image on the color image sensing device by means of light from an illuminated subject. The color image sensing device is a charge coupled device which has a plurality of pixels. The apparatus fulfills the conditions: 1.5.times.p.times.FNo.<.vertline.LBg-LBe.vertline.< 5.0.times.p.times.FNo. 1.5.times.p.times.FNo.<.vertline.LBc-LBe.vertline.< 5.0.times.p.times.FNo. where p is a predetermined pitch of a photoelectrically converted pixel of said color image sensing device, LBe is a paraxial back Ad focal length of an e-line (546.07 nm in wavelength), LBg is a paraxial back focal length of a g-line (435.84 nm in wavelength), LBc is a paraxial back focal length of a C-line (656.28 nm in wavelength), and FNo. is an F-number of said optical lens.

Uma imagem que deteta o instrumento tem um sistema ótico da lente e um dispositivo detetando da imagem da cor. O sistema ótico da lente dá forma a uma imagem no dispositivo detetando da imagem da cor por meio da luz de um assunto iluminado. O dispositivo detetando da imagem da cor é um dispositivo acoplado carga que tenha um plurality dos pixels. O instrumento cumpre as circunstâncias: 1.5.times.p.times.FNo.

 
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