Smaller version of the 3 filter animated gif. (1280 x 850) - Animated GIF of 3 IR filters (720nm, 850nm and 950nm)3-Filter animated GIF. Each frame was referenced to the same black point. All were opened in Adobe Camera Raw and had the same adjustments.
To view animation, click the image.
Each frame was shot with a full spectrum Canon 40D and an EF24-70 f2.8 lens with exposures as follows (all exposed to mid histogram):
720nm - 24mm, ISO 100, 1/50 s, f11
850nm - 24mm, ISO 100, 1/20s, f11
950nm - 24mm, ISO 100, 1/2 s, f11
Infrared FIlter Comparison720nm850nm950nmEl PasoTexasEric ChesakCanon 40DEF2470Full Spectrum DSLR
From Filter Tests