Ultraviolet light. Light used to produce ultraviolet (UV) light. These lamps,also known as black light,have a violet filter material,either on the bulb or in a separate glass filter in the lamp housing,which blocks most visible light and allows through UV | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Public Health England |
Bildgröße: | 5156 px × 3437 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |