Package Content 37mm IR 950x1
In which suitable light source should I use the infrared filters?
680nm for indoor use and weak shade.
720nm for indoor and low light use.
760nm for cloudy outdoor use at nightfall and indoor brightness.
850nm for indoor and weak cloudy outdoor light.
950nm for outdoor use and strong light, just like in summer.
Note:
Please set a custom white balance of your camera. The way you set different cameras may vary, please check your manual.
The exposure time is relatively long if you use IR filters, a tripod is absolutely necessary in this situation. We also recommend that you use a cable release in case it is shaken.
Common Issues of IR Filters
Hotspots
Hotspots are a relatively common problem with infrared. It is due to the internal reflection of the light in a lens. Normal lenses have coated barrels to absorb light, but these coatings do not always work in infrared, causing these problems.
Solution:
1. Hotspots can often be eliminated by changing the aperture.
2. Hotspots most commonly occur at the same type of shooting angles that cause lens reflections. In this case, hotspots can usually be avoided by shooting away from bright light sources.
Exposure:
For converted cameras, the light meters still work based on visible light. This can occasionally lead to under-exposure or overexposure as the visible and infrared light of a scene may not be the same.