Relationship Between Lens Size & Magnification
Magnification has allowed us to better understand the world by enabling us to study that which we have difficulty seeing. There are several factors that determine the amount of magnification that a camera or magnifying glass can have.
Magnification
According to Dr. Judah Levine, a physics professor at the University of Colorado, magnification is the ratio of the size of the image to the size of the object that produces it. The size of the object is referred to as the focal length.
Focal Length
According to Dr. Levine and Neil Creek, a professional photographer, focal length is the crucial element to magnification. The longer the focal length, the greater the magnification.
Understanding Focal Length
A good way to conceptualize focal length is to picture a telescoping camera lens. The longer you make the lens, the closer the object appears to your eye. This is the basic principle of focal length; the longer the object, the greater the magnification.
Purchasing High-Magnification Lenses
Ranges in the zoom capabilities of camera lenses are given in millimeters. The higher the number, the greater the magnification. Advanced lenses have values that are between 200 and 500 mm.
Not Diameter
According to the material presented by Dr. Levine, diameter does not affect the magnification capabilities of a lens. According to Neil Creek, diameter affects the amount of light that is allowed into the camera. This affects the brightness of a photograph but not its magnification.
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