JOBE 30 x 21 mm Triplet Gem & Mineral Hunting Supplies Jobe
30 x 21 mm Triplet Jeweler's Loupe

30 x 21 mm Triplet Jeweler's Loupe

SKU: MJ3921C-30X
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Product Information

Powerful three-element 30 power x 21 mm jewelers loupe in a polished metal housing with a leather case.

Triplet Lens Design:
A triplet lens is an optical device consisting of three single lenses. The triplet design is the simplest to give the required number of degrees of freedom to allow the lens designer to overcome all Seidel aberrations. Aberration leads to blurring of the image produced by an image-forming optical system.

  • Professional Triplet Loupe
  • Magnification: 30X
  • Lens Diameter: 21mm
  • Round Shape
  • Chrome body
  • Leather Pouch
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Customer Reviews

Based on 1 review
James H.
30 x 21 mm Triplet Jeweler's Loupe

Purchased for my brother. He said he wanted to check the quartz gold ore I have been finding to check the amount of gold. He says he liked them.

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