Blue + Green Laser Target 40mm Diameter - Glows Red when struck - with case - $16 - (New York, NY)

These are Green & Blue Laser Target Discs, with 2" inch diameter and 3/16" thickness and filled with several grams of Rare Earth Europium Doped - Ultra-Red Phosphors that glow REALLY REALLY BRIGHT RED when struck with a 445nm Blue or 532nm output Green dpss Laser. The peak response of this phosphor is at just about 450nm to 550nm so you will be AMAZED at the results. You can easily see this light up BRIGHT RED if you aim at it from up to 100 meters/yards distancewhen viewed at night. At close distances you can write on the disc with any green laser pointer and have it last up to 30 seconds of easily viewable glow. Acceptable form of payment is PAYPAL unless previously arranged with seller. Comes with Case and Cleaning Cloth. Shipping to U.S. is $5.95 and Shipping Worldwide is $14.95. This is an excellent demonstration item for astronomy or lecture.

Posted in New York, NY, Business for Sale
From ebay.com - 1 month ago