Traditional Culture Encyclopedia - Photography and portraiture - Difference between digital camera lens and photographic objective lens
Difference between digital camera lens and photographic objective lens
A SLR camera has a monocular optical viewfinder, and the lens in the window that the photographer looks at can be called an eyepiece, so the lens in front of the camera can be called a photographic objective (in fact, no one calls it that, but it is more called a camera lens). The digital camera with LCD camera has no eyepiece, only the front "lens". It is far-fetched to call it an objective lens, so people call it a camera lens. That's all.
Compared with the camera lens, the telescope's objective lens sees an enlarged virtual image from the eyepiece, and the camera lens should be a reduced and inverted real image on the focal plane. The SLR viewfinder also sees an upright virtual image from the eyepiece.
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