发明授权
US06873471B2 Eyepiece for viewing a flat image 失效
用于观看平面图像的目镜

Eyepiece for viewing a flat image
摘要:
An eyepiece (2) for viewing a flat image, which eyepiece (2) has a wide field of view and which eyepiece (2) comprises a cemented doublet of reflecting and refracting optical components, the reflecting and refracting optical components being such that they are each of a different refractive index whereby chromatic aberrations and spherical aberrations are reduced.
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