Object Distance in Lenses and Refraction Formulas

Object Distance is the distance between an object and the lens of an optical instrument, such as a camera or microscope, which affects the magnification and focus of the image. And is denoted by u. Object Distance is usually measured using the Meter for Length. Note that the value of Object Distance is always negative.

Lenses and Refraction formulas that make use of Object Distance

fxMagnification of Concave LensGo

fxMagnification of Convex LensGo

fxFocal Length of Concave Lens given Image and Object DistanceGo

fxFocal Length of Convex Lens given Object and Image DistanceGo

FAQ

What is the Object Distance?

Object Distance is the distance between an object and the lens of an optical instrument, such as a camera or microscope, which affects the magnification and focus of the image. Object Distance is usually measured using the Meter for Length. Note that the value of Object Distance is always negative.

Can the Object Distance be negative?

Yes, the Object Distance, measured in Length can be negative.

What unit is used to measure Object Distance?

Object Distance is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Object Distance can be measured.

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