The "NK" filter set contains all filters for the standard camera or smartphone (Smartphone):
Beigefilter 400 Blocks out UV light and makes fluorescent images more contrasty. Also to be used when using yellow filters (Gelbfilter) under UV light Use: Photography with the standard camera Use: On the camera
Yellow filter 470 (Gelbfilter 470) For higher contrast when photographing with the UV lamp. Use: Photography with the normal camera Use: On the camera
Orangefilter 535 For the visualization of hidden damage (e.g. water damage) when photographing with the blue light lamp. Use: Photography with the normal camera Use: On the camera