1. Having three different lenses with different focal lengths

Encyclopedia: Trifocal

• metamere
• metameric
• metamerism
• metamorphic
• metamorphic rock
• metamorphism
• metamorphopsia
• metamorphose
• metamorphosis
• metamorphous
• metanephros
• metanoia
• metaphase
• metaphor
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• metaphorical
• metaphorically
• metaphosphoric acid
• metaphrase
• metaphysic
• metaphysical
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• metaphysician
• metaphysics
• metaphysis