A camera body is the main part of the digital camera, containing the controls, the LCD, the internal image sensor, and the associated circuitry. It contains all the components needed to take the picture. It is also the part of the camera that you hold when you use the camera.
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Sometimes you’ll see a camera for sale that only includes the camera body, which can be a little confusing. This article hopes to shed some light on this type of purchase, which typically refers to an option to purchase just the camera body without any lenses, and any concerns you may have about purchasing just the camera body.
When you see a camera for sale with just the camera body, the reference is to the part of the camera without the lens attached. It is usually only offered with a DSLR camera, although some mirrorless interchangeable lens models may be offered this way.
The camera body, usually roughly rectangular in shape, sometimes has a built-in lens (as in entry-level, point-and-shoot, or fixed-lens cameras). This type of camera cannot be purchased as a camera body simply because the lens is built into the camera body.