objective lens
noun
technical
: a lens or system of lenses in a microscope, telescope, etc., that forms an image of an object
Examples of objective lens in a Sentence
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Key features: 12x magnification, 25mm objective lens diameter, 7.5-degree field of view, 15mm eye relief, 8.8 oz (249 g) weight.
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Harry Bennett, Space.com, 1 Dec. 2025
Measured in millimeters, the diameter of the objective lens dictates the amount of light your binoculars let in.
—Jessica MacDonald, Travel + Leisure, 17 July 2025
The size of the objective lens determines how much light reaches your eye.
—Scott Gilbertson, Wired News, 25 June 2025
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Harry Bennett, Space.com, 1 Dec. 2025
Measured in millimeters, the diameter of the objective lens dictates the amount of light your binoculars let in.
—Jessica MacDonald, Travel + Leisure, 17 July 2025
The size of the objective lens determines how much light reaches your eye.
—Scott Gilbertson, Wired News, 25 June 2025
Cite this Entry
“Objective lens.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/objective%20lens. Accessed 11 Dec. 2025.
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