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Use "magnifications" in a sentence
"Blaker explained this in another book, Field Photography (1976): ... at significant magnifications the choice of f-number is ... nearly always a matter for compromise between depth of field needs and the resolution of fine detail in the image."
"* Blaker's definitions of closeup photography as photography at image magnifications of actual size or less and photomacrography as photography at image magnifications greater than actual size are arbitrary and pointless."
"I expect to fire my deer rifles from the standing offhand position, and I do my best work under these circumstances with low magnifications, and a wide field of view."