waht is a good UV flashlight to cure optical adhesive?

If it doesn't have to be LED, a $10 handheld fluorescent blacklight has the identical wavelength and probably more output. I've seen them at WalMart, Spencer's Gifts and miscellaneous hardware stores.
 
If it doesn't have to be LED, a $10 handheld fluorescent blacklight has the identical wavelength and probably more output. I've seen them at WalMart, Spencer's Gifts and miscellaneous hardware stores.
Ditto.

Even the 4 inch and 6 inch tubes in 4AA lights are more effective. The best are AC fixtures 18-24 inches long. Walmart has one for $10.
 
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