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
On a telescope, magnification can be calculated by dividing its objective lens's focal length by the eyepiece's focal length, both expressed in millimeters.
—
Jamie Carter, Space.com, 15 Jan. 2025
The larger the front lens (also called the objective lens), the more light reaches your eye.
—Scott Gilbertson, WIRED, 6 Oct. 2024
Technique How to focus on stars with a monocular
Ideally, pick a monocular with a minimum objective lens diameter of 50mm.
—Matt Morris, Space.com, 27 Dec. 2024
The 85-mm objective lens is bright and sharp with almost no chromatic aberrations.
—Scott Gilbertson, WIRED, 6 Oct. 2024
However, the larger an objective lens is the more light reaches your eye.
—Wes Siler, Outside Online, 13 Dec. 2024
The size of the objective lens determines how much light reaches your eye.
—Scott Gilbertson, WIRED, 6 Oct. 2024
The 42 objective lens diameter is a good happy medium for standard light conditions.
—Katherine Alex Beaven, Travel + Leisure, 17 Jan. 2024
The second number is the size of the objective lens, which translates into how much light your binoculars will pull through the lens.
—Katherine Alex Beaven, Travel + Leisure, 17 Jan. 2024
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Jamie Carter, Space.com, 15 Jan. 2025
The larger the front lens (also called the objective lens), the more light reaches your eye.
—Scott Gilbertson, WIRED, 6 Oct. 2024
Technique How to focus on stars with a monocular
Ideally, pick a monocular with a minimum objective lens diameter of 50mm.
—Matt Morris, Space.com, 27 Dec. 2024
The 85-mm objective lens is bright and sharp with almost no chromatic aberrations.
—Scott Gilbertson, WIRED, 6 Oct. 2024
However, the larger an objective lens is the more light reaches your eye.
—Wes Siler, Outside Online, 13 Dec. 2024
The size of the objective lens determines how much light reaches your eye.
—Scott Gilbertson, WIRED, 6 Oct. 2024
The 42 objective lens diameter is a good happy medium for standard light conditions.
—Katherine Alex Beaven, Travel + Leisure, 17 Jan. 2024
The second number is the size of the objective lens, which translates into how much light your binoculars will pull through the lens.
—Katherine Alex Beaven, Travel + Leisure, 17 Jan. 2024
Dictionary Entries Near objective lens
Cite this Entry
“Objective lens.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/objective%20lens. Accessed 23 Jan. 2025.
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