magnifying glass

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magnifying glass:

see microscopemicroscope,
optical instrument used to increase the apparent size of an object. Simple Microscopes

A magnifying glass, an ordinary double convex lens having a short focal length, is a simple microscope. The reading lens and hand lens are instruments of this type.
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magnifying glass

[′mag·nə‚fī·iŋ ‚glas]
(optics)
Any device that uses a simple lens which enlarges the object being viewed.

magnifying glass

traditional detective equipment; from its use by Sherlock Holmes. [Br. Lit.: Payton, 473]

magnifying glass

, magnifier
a convex lens used to produce an enlarged image of an object
References in periodicals archive ?
Essentially, the Anchor Sight uses a magnifying lens with a red circle on it and cross-hairs similar to a riflescope to ensure that your form is spot-on no matter the difficulty of the shot.
The lamp with magnifying lens is available for added precision in engineering, assembly, laboratory and inspection applications.
To help improve precision, there is a magnifying lens over the light box and the back plate is also gridded.
A magnifying lens was needed to see the bump which was a mere 0.
The helmets also feature rugged headgear with a soft, absorbent sweatband and magnifying lens capability for experienced welders with less than perfect vision.
5mm thick magnifying lens applied to the anti-reflective sapphire crystal.
Entitled "Challenges to Human Security in the Arab Countries," the Report employs the wider definition of human security - first introduced in the 1994 global Human Development Report - as a magnifying lens to closely examine the condition of human development in the region.
Entitled "Challenges to Human Security in the Arab Countries," the Report employs the wider definition of human security -- first introduced in the 1994 global Human Development Report -- as a magnifying lens to closely examine the condition of human development in the region.
Use Magic, ZoomText, or a magnifying mouse such as the Microsoft Laser Mouse 5000 to create a magnifying lens on the monitor that follows your cursor and magnifies only a portion of the display.
Following a search of his luggage, police found and confiscated the sum of e1/431,550, and photocopies of e1/4100 notes, five bottles of ink and two bottles of white powder, a device that emits infrared light and a magnifying lens, all the necessary equipment to fabricate counterfeit money.
A powerful LED lamp with magnifying lens is available for added precision, flexibility, and comfort in engineering, assembly, laboratory, and inspection applications.
Specialist community nurse Janet Lawrence and her sister Ann- Marie Watson designed the product, which has a curved bar to recreate the tumbler test and a magnifying lens.