photo,
photograph,
pic,
exposure,
picture a representation of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material
magnification -
The apparent enlargement of an object in an image.
Wikipedia
Magnification is the process of enlarging something only in appearance, not in physical size. This enlargement is quantified by a calculated number also called "magnification". When this number is less than one it refers to a reduction in size, sometimes called "minification" or "de-magnification".
OmegaWiki Dictionary
Ω
magnification The effect of an optical system on the apparent angular size of an object.