This individual narrow band width(monochromatic) light sourse around 589nm
It can be used on almost every gem refractometers out there! No matter GIA brand or generic brands.
Simply use it like a flashlight.
This listing is for the light source only. Gem refractometer is not included.
Operates with 1 AA battery.(included for Domestic shipping in United States, not included for international shipping)
4 Reviews Hide Reviews Show Reviews
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Quality
Very good quality light. Nice bright monochromatic light. The flashlight itself is well constructed unlike the junk you most often find these days. Well worth the price.
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Works great
Works exactly as described fit my GIA refractometer, for only 20 bucks can't beat this light source
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Better than expected
I'm using this light for my GIA Duplex ll Refractometer. There are several other options out there but this one has 5 bulbs and gives a very strong light, which is important to make a correct reading of the gems. I'm very happy with my purchase... a really great product for a fantastic price.
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Great accessory for Gem Tools
These make the perfect accessory for Gem tools-easy to use and very useful. The price is good and the shipping is good. This is carries around easily, so no issues taking it with me!
