Nikon Precision Jeweler's Loupe 10x

This is the best jewelry loupe available. The lens consists of three elements and has hardly any color aberration or distortion, so it is suitable for gem assessment. The frame and case have black non-reflective coating. The resolving power is 63 lines/mm or more. The lens has negligible magnification error.(±1%). The lens has no strain inside. The lens is equiconvex, so objects may be viewed from either side.

Technical Data:

• Effective diameter of the lens: 13mm
• Focus distance: 25mm (1")
• Magnification: 10x
• Lens material: optical glass
• Weight: 15g
• Made in Japan