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The waist-level finder (WLF) is a type of viewfinder that can be used on twin lens and single lens reflex cameras. While it is typically found on older medium format cameras, some newer and/or 35 mm cameras have this type of finder (perhaps as an option). In the reflex camera, the light from the lens is projected onto a focusing screen. The waist-level finder makes this screen viewable from above, where the image is seen upright but reversed left-to-right. The eye-level finder is an evolution of the waist-level finder, using a roof pentaprism or pentamirror to correct the image while making it viewable through an eyepiece at the rear of the camera. Some digital cameras have an articulating screen or a swivel lens, this allows the screen to be angled to make it viewable at waist-level. With live preview the screen can be used as a viewfinder. == Advantages == * The photographer is looking down into the camera, attracting less attention compared to an eye-level finder. This makes it better for street or candid photography. * Even when they know they are being photographed, the subject may feel less "targeted" because the photographer is not looking at them. * The camera is often held against the belly or resting on something (e.g. table, the lap, etc.), resulting in less motion blur. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Waist-level finder」の詳細全文を読む スポンサード リンク
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