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twin lens reflex

(TLR) A camera having two separate lenses of the same focal length - one for viewing and focusing; the other for exposing the film or image sensor. The lenses are mechanically-coupled so that both are focused at the same time.

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twin lens reflex

LR) - A camera having two separate lenses of the same focal length – one for viewing and focusing; the other for exposing the film. The lenses are mechanically-coupled so that both are focused at the same time.
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