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: 10x magnification, 42mm objective lens, image stabilization (IS), porro prisms, 59.2-degree field of view, fully multi-coated lenses, +/- 0.8-degree correction angle, 2.5 hour battery life (two AAA batteries), waterproof (WP) and immersion resistant up to one meter.
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Harry Bennett, Space.com, 11 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
Key features: 10x magnification, 42mm objective lens diameter, high-quality BaK-4 prisms with anti-reflective coating, 6.2-degree angle of view, waterproof and fog-proof.
—Paul Brett, Space.com, 11 June 2025
The regular model features the same huge 70mm objective lens, 18 mm of eye relief and multi-coated optics.
—Harry Bennett, Space.com, 20 May 2025
The large 70mm objective lens on this model offers maximum brightness in low-light and long-range conditions.
—Harry Bennett, Space.com, 20 May 2025
Key features: 10x magnification, 25mm objective lens diameter, non-removable glass solar filters, 5.7-degree angular field of view, 11.5 oz weight.
—Paul Brett, Space.com, 17 Mar. 2025
Key features: 8x magnification, 42mm objective lens diameter, 8.1-degree angular field of view, 17mm eye relief, 23.1 oz weight.
—Rich Owen, Space.com, 7 Mar. 2025
When light enters the monocular through the objective lens located at the front of the device, it is initially inverted, meaning that the image appears upside down.
—Matt Morris, Space.com, 16 Jan. 2025
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Harry Bennett, Space.com, 11 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
Key features: 10x magnification, 42mm objective lens diameter, high-quality BaK-4 prisms with anti-reflective coating, 6.2-degree angle of view, waterproof and fog-proof.
—Paul Brett, Space.com, 11 June 2025
The regular model features the same huge 70mm objective lens, 18 mm of eye relief and multi-coated optics.
—Harry Bennett, Space.com, 20 May 2025
The large 70mm objective lens on this model offers maximum brightness in low-light and long-range conditions.
—Harry Bennett, Space.com, 20 May 2025
Key features: 10x magnification, 25mm objective lens diameter, non-removable glass solar filters, 5.7-degree angular field of view, 11.5 oz weight.
—Paul Brett, Space.com, 17 Mar. 2025
Key features: 8x magnification, 42mm objective lens diameter, 8.1-degree angular field of view, 17mm eye relief, 23.1 oz weight.
—Rich Owen, Space.com, 7 Mar. 2025
When light enters the monocular through the objective lens located at the front of the device, it is initially inverted, meaning that the image appears upside down.
—Matt Morris, Space.com, 16 Jan. 2025
Cite this Entry
“Objective lens.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/objective%20lens. Accessed 22 Jul. 2025.
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