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Código de este producto: 5172193

Categoría: Herramientas de ampliación - aumento

Donegan V388-1/2 Thread Counter Linen Tester Magnifier, 8X Magnification, 1/2" Diameter Lens (Tamaño: 1/2" Focal Length)

(Donegan V388-1/2 Thread Counter Linen Tester Magnifier, 8X Magnification, 1/2" Diameter Lens)

Fold-up magnifier with bottom scale for measuring applications such as viewing fabric thread count.
Provides 8X magnification.
1/2" diameter ground and polished glass lenses.
Black enameled brass frame folds flat when not in use.
Made in USA.

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Precio: Q329

 
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Donegan V388-1/2 Thread Counter Linen Tester Magnifier, 8X Magnification, 1/2 Diameter Lens (Tamaño: 1/2 Focal Length) Donegan V388-1/2 Thread Counter Linen Tester Magnifier, 8X Magnification, 1/2 Diameter Lens (Tamaño: 1/2 Focal Length)

Descripción del fabricante

The Donegan thread counter and linen tester magnifier has a round optical-grade lens in a cubed shaped body that folds semi-flat, is available in a variety of lens sizes, and comes in multiple magnification power (X) at specified focal lengths, or distance from object. This magnifier enhances the size and resolution of an object or image, and is commonly used for a variety of applications such as linen inspection, graphic arts, engraving, jewelry-making, watch-making, needlework, artwork, electronic inspection, fly-tying, book-reading, print inspection, and stamp-collecting.

This magnifier features a round lens mounted on the top of a three-dimensional cube (which folds to a semi-flat shape), and has a hollow bottom and sides to allow for maneuverability and placement of an object below the magnifier. A square-framed bottom has interior measurement markings to help assist in the examination process. Its optical-grade lens (available in a variety of sizes) has been ground and polished into a prismatic lens, and is available in multiple magnification powers (X) at specified focal lengths, or distance from object. The magnifier has a one-year limited warranty.

Magnifiers are devices used to enlarge the visual appearance of an object or image. Magnifiers come in a variety of styles such as hand-held, headband, standing, clip-on, eye loupe, and those that hang in a necklace form, or fit in a trouser pocket. Magnifiers are commonly made of plastic or glass. They can have one or more lenses with varying magnification abilities, and can have a binocular configuration with a single lens, or two separate lenses. They are sometimes used with LED or fluorescent light sources to help control viewing capabilities. Magnifier ability is often expressed as magnification at a specific length. For example, 1.75X at 14” means that when a magnifier is held at 14” from a viewer’s eyes, the object will be magnified 1.75 times (X) its actual size. As ma

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