A slide viewer (also called transparency viewer) is a device for looking at film transparencies or similar photographic images. == Description == A slide viewer is usually a small handheld device with a slot in which a slide can be inserted to see a magnified illuminated view of it.
A slide viewer (also called transparency viewer) is a device for looking at film transparencies or similar photographic images. == Description == A slide viewer is usually a small handheld device with a slot in which a slide can be inserted to see a magnified illuminated view of it.
Source: Wikipedia "Slide viewer" · CC BY-SA 4.0
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