30X professional magnifier is great for jewellery, stamps, electronic circuit boards, printing, reading, handcrafts, watch repairs, reading coins, small insects,etc.
* Come with a soft leather case to protect the lens.
*GEM-309 is a battery operated gem loupe.You can replace its battery with a 4x
Solid Body Material & Optical Glass Lens
* Body: Made of solid zinc alloy material with black paint finish. It's quite durable and not easy to damage. This little magnifier will be a good helper at work.
* Lens: The lens is made of optical glass, professional to help your work. Adopted with advanced materials to make this high quality
magnifier. This 30x magnifier has a lens of 0.98 inch diameter and 3 white LED light 3 UV light.
* These 3 LED lights are very bright to help you see clearly during dark.
* For usual magnified observation
* Colorful objects will show different color under UV lights, and you may see it obviously during purple lights.
* You can also check your money by UV lights.
Let the magnifier close to the object to be observed, and keep the distance between the human eye and the object to be observed unchanged. Then move the hand-held magnifier back and forth between the object and the human eye until the image is large and clear.
* Observation method 2: Magnifying glass as close as possible to the eyes. The magnifying glass does not move, moving objects until the image is large and clear.
* There are two scale: 1/16 inch and 0.5mm on base. You can measures the size of the object quickly.
