These special magnifying glasses are special configurations
One consist in two magnifiers mounted in a small box and both magnifiers can be slide in and out
The second one is a so-called "linen tester" and can be folded when not used. It is a magnifier with a measuring scale and a built-in stand. Linen testers are commonly used to measure the line width and check the registration of color separations in the field of printing and publishing. It is also used in other branches of industry for measuring the line weight of barcodes
| MODELS | Magnification | Lens aparture | Field of view | Measuring scale | ||
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EPB‑5030 | 3x | 23 x 23 mm | 50 x 50 mm |  | |
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E | 6x | 23 x 23 mm | 25 x 25 mm | E | |
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EPB‑5049 | 6x | 25 x 25 mm | 1 mm |  |
MISCELLANEOUS MAGNIFIERS
EPB-5030 Dual sliding magnifier with 3x and 6x magnification
Lens aperture 23 x 23 mm. Plastic housing for minimum weight
Field of views 50 x 50 mm and 25 x 25 mm
EPB-5049 Linen tester folding magnifier with 6x aplanatic lens
A 25 x 25 mm base with millimeter scale
Metal casing lacquered in black. Supplied with plastic case
