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
Recent Examples on the Web
Key features: 8x magnification, 42mm objective lens diameter, 8.1-degree angular field of view, 17 mm eye relief, 23.1 oz (655 g) weight, roof prism lenses, waterproof.
—
Harry Bennett, Space.com, 30 Sep. 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 larger the front lens (also called the objective lens), the more light reaches your eye.
—Scott Gilbertson, Wired News, 25 June 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Harry Bennett, Space.com, 30 Sep. 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 larger the front lens (also called the objective lens), the more 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 20 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share