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Acrylic Sheet Fresnel Card Magnifier, 2x 4x Magnification, supplied in a PVC pouch

(Code: 110919-1)
£ 2.00
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Acrylic Sheet Fresnel Card Magnifier, 2x 4x Magnification, supplied in a PVC pouch
Acrylic Sheet Fresnel Card Magnifier, 2x 4x Magnification, supplied in a PVC pouch

Square Fresnel Lens with an additional conventional round magnifier. Perfect Pocket Size: 8 x 5cm.

 A Fresnel lens allows the construction of lenses of large aperture and short focal length without the mass and volume of material that would be required by a lens of conventional design.

A Fresnel lens can be made much thinner than a comparable conventional lens, in some cases, as in this item,  taking the form of a flat sheet.

Lots more Magnifiers to Choose from.