Three convex lenses. Plastic ring diameter approx 1-1/4" (30mm). Magnification three lenses 15X two lenses
Magni-Pak Single Folding Pocket Magnifier - 4X - CoinSupplyExpress
15x Triple Lens Folding Pocket Magnifier (5x, 5x, 5x) 1-1/4 Lens – High Plains Prospectors
5X 10X 15X Triple Folding Pocket Magnifier Eye Loupe with 1.25 Magnifying Lens $7.99 - PicClick
Loupes and Magnifiers, Eye Loupes
Edmund Machinist's 3-Lens Magnifier
Portable Mini Magnifying Glasses 10X Foldable Key Ring Magnifier 2.56''Diameter Loupe
Magnifiers – Osunwan Ltd
Multi-Power Head Magnifier : Multiple Magnifications (1.9x, 1.9, 4.5x – High Plains Prospectors
The SE ML26B 5x Triple Lens Folding Magnifier with 1-1/4 inch Lens is very useful because each lens' size is 1-1/4'' in diameter, making it very easy to view objects. There are three separate lenses. When the three lenses are combined, they create a full 15x total power. It is great for craft, hobby, jewelry, maps, and any kind of fine detailed work. SE is committed to providing the customer with the best source for value possible on the market.
SE ML26B 5X Triple Lens Folding Magnifier with 1-1/4 Lens
Buy Hawk Black Triple Pocket Magnifier at ShopLC.
Plastic Triple Folding Pocket Magnifier 25mm 4x / 8x / 12x - Hilkinson
VINTAGE PLASTIC FOLDING Pocket Loupe Magnifier Bausch & Lomb Optical Co. $40.00 - PicClick
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Bausch & Lomb 5X-20X Packette Attached Case Foldng Magnifier : Arts, Crafts & Sewing