Measuring Magnifier, 30x

This adjustable focus 30x Magnifier has 4 elements in 2 groups of lenses, and has upright image visualization. The scale is 5mm long with major divisions every millimeter and minor divisions every 0.05mm. Magnifier with case, lens cap and cloth. Inch scale not available for this product.
Diameter: 30mm.; Height: 19mm.; Weight: 16g.; Effective aperture is 7mm.