Japan Jewelry Loupe 10x Diamond Handheld Magnifier Pocket Lens Numismatic Coin Antique Gemstone Identification Tools
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LUKA DILONG
LUKA DILONG
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$91.00
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Specification
item | value |
Brand Name | |
Place of Origin | Japan |
Jewelry Tools & Equipments Type | Loupes, Magnifiers |
Product name | NIKON Jewelry Loupe |
Material | ABS plastic & optical glass |
magnification | 10X |
Lens diameter | 13mm |
Focus distance | 25mm |
Weight | 15g |
Unfold size | 64*24*16mm |
Folded size | 33*24*16mm |
Features
1.The resolving power is 63 lines/mm or more.
2.The lens consists of three elements and has hardly any color aberration or distortion, so it is suitable for gem assessment.
3.The lens has negligible magnifica tion error.(±1%)
4.The lens has no strain inside.
5.The lens is equiconvex, so objects may be viewed from either side.
6.The frame and case have black non-reflective coating.
How to use loupe
Hold the loupe with thumb and fore. finger and grip with both hands for steady viewing. Objects should be placed on plain white paper because assessment will be wrong if colored background is used.
Wipe smudges on the lens surface or frame with cleaning paper.
Do not use alcohol or ether to remove them because it may damage the plastic of the frame or case. After using the loupe, push itback into the case.
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