Affordable-UV-Flashlight

11 месяцев назад

This video reviews the Sofirn SF16, a pocketable UV flashlight. The reviewer compares it to other UV flashlights, highlighting its high power output and affordability. They demonstrate its use in various applications, including detecting stains, curing UV glue, and identifying minerals.

8 лет назад

This video compares cheap UV lights to more expensive, high-quality options. The presenter demonstrates how the cheaper lights are unreliable and don't effectively reveal details like counterfeit bills or hidden stains. They emphasize the importance of investing in a quality UV light for various purposes, including cleaning, inspecting money, and checking hotel rooms.

4 года назад

This video compares 365nm and 400nm UV LED black lights. The presenter demonstrates the difference in visible light output between the two wavelengths, showing how 365nm lights emit minimal visible light while 400nm lights produce a noticeable purple glow. The video also highlights the impact of wavelength on the visibility of objects under the lights.