BelOMO 10x Loupe Magnifier for Angular Measurements LI-3-10x-U is a triplet that is meant to measure angular sizes. Being a triplet, it consists of three achromatic lenses, besides it has a reticle made of glass with different angles. BelOMO LI-3-10x-U has 10x magnification and is mostly applied by jewelers who use it to distinguish faceting angles of precious gems. The loupe has compact size (34x35 mm in diameter) and can be operated under different temperature conditions – from -50 up to +40 C.
Angular scale with angles, deg.: 13,30,32,36, 38,39,40,41,45
|Magnification ratio||10 times|
|Optical schema||Achromatic Lens|
|Focal distance||25mm (1 inch)|
|Linear field of view||No|
|Overall dimensions||1.4 inches Ø35mm|