Traditional Culture Encyclopedia - Photography and portraiture - Is it possible to use infrared rays for long-distance photography?
Is it possible to use infrared rays for long-distance photography?
Of course, no problem. In fact, what you mean is mainly for active infrared and passive infrared.
If it is passive infrared photography, that is, using infrared rays from the outside to shoot, of course there is no problem at any distance;
But if it is active infrared photography, that is, the photographer uses some infrared rays to If the light source emits infrared rays for shooting, it will obviously not be enough if it is too far away.
For example, using Sony v1 digital camera for night vision shooting, the camera actually emits infrared rays by itself. In total darkness, the effective distance does not exceed 8 meters. I tried it and can still see clearly at about 4 meters. of.
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