Another in my series of infrared photos, came out a little soft and I had to sharpen it too much to compensate. Focusing is always difficult with IR pictures because the focal point for infrared light is a little further beyond visible light, even at the infinity setting. Unless you're using a lens with IR focal settings on it (usually old film lenses--go figure) you usually have to guess the best focus or live with softness. What I'd like to do is if I can ever get a good pinhole lens (my test shots so far have been horrid) is use an ultraviolet filter and try some UV shots. Glass blocks a lot of UV light so you need lenses made out of quartz. A pinhole, however, lets all the light in.