The "Ary" loupe eyeglass magnifier attachment by Bergeon is a patented lightweight design that will attach to any eyeglasses. The Ary loupe is a clip on quick attaching and removable single eye microscope
Loupes and visors for watchmakers, Watchmaker Tools Bergeon
ARY - STANDARD. For Right Eye.
Bergeon 1492 Series Right Eye Ary Spectacle Loupes
Bergeon ARY Watchmakers Eye Loupe
Eyeglass Magnifiers
Spring Claw Holder for ARY Loupes 1492-AD
The OL-57, OcuLens is a convenient, hands free magnifier that attaches with ease to most eyeglass frames. Once attached, the interchangeable 5x and 8x lenses can be used to examine objects very close up without needing to hold the magnifier. Simply flip down and move the fully adjustable lens to get the best view possible when in use. When no longer needed, simply flip up the magnifier and it will be out of the way. This magnifier is ideal for inspecting the finest of details.
Carson Optical Ol-57 OcuLens Magnifier
Loupes and visors for watchmakers, Watchmaker Tools Bergeon
Jewelers Loupes & Gem Magnifiers, Jewelry Loupes
Ideal for jewelers and hobbyists, this clip-on eye loupe magnifies whatever you’re working on to help you handle detailed work. This eye loupe
16.5X Jewelers Clip-On Eye Loupe
HOROTEC 00.100G-2.5.
HOROTEC ARY EYEGLASS ARY FOR STANDARD SPECTACLES (LEFT EYE), No. 2.5 = 4.0x
The OL-57 OcuLens from Carson Optical is a convenient, Hands Free Magnifier that attaches with ease to most eyeglass frames Magnifies 5x or 8x power
Carson OcuLens Clip-On Eyeglass Magnifier Set (OL-57)
Bergeon Watch Repair Tools, Swiss Made Watchmaking Tools
Loupe power, Page 2
Optical Magnification for Subnormal Vision: Historical Survey*†