310nm-UV-Light

1 год назад

This video reviews a shortwave UV flashlight designed for fluorescent minerals. The reviewer explains the differences between shortwave and longwave UV light, emphasizing the importance of wearing UV-blocking glasses when using this flashlight. They also discuss the flashlight's features, including its battery life, charging time, and beam size.

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.