How do I turn my camcorder into an infrared camera?
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I'm a paranormal investigator and am looking to use my camcorder only at night. I know that I have to purchase IR lights. How do I attach them? Also, do I need to remove a blocker from inside the lens?
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Answer:
The IR lights can be used independently from your cam. Just point them in the same direction as the camera lens. Unless you have a videocam with a nightshot setting such as some of the Sony models, you will have to remove the anti-alias filter in front of the imaging sensor. Whether removing this (often tiny) filter is economically viable, is very debatable because after its removal the distance between the lens and sensor must be recalibrated, and requires specific knowledge of the camera type used, and quite often, special instruments with very fine tolerances. Before having your camera converted, you could try whether its IR sensitivity is enough to pick up some of the IR beams of your IR illuminator. A simple test will do: point the IR remote of your tv set towards your camera in the dark, press a few buttons on your remote, and check whether or not your videocam recorded any of the IR signals/flashes from your remote. This will give you an indication of the IR recording capabilities of your camera. Alternatvely, you could look at various night scopes with a so-called video-out jack. They can be expensive, but the $398 Yukon Ranger 5x42 LT for instance (see link below), has a (NTSC) video output which lets you attach a (portable) video recording device, and has built-in IR flashlight. Addtional edit: On sale now by Thinkgeek: http://www.thinkgeek.com/electronics/cameras-photography/e5b5/
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Other answers
Tip 1: wide-angle lens base. Lens the shorter end of the weak light shooting better. The depth of the domain (ie, clear the number of shooting (or depth)) and real better than the wide-angle focal length of lens fragmentation; when you push the lens, especially in low light, in order to be light entirely focused objects in your shot is very difficult. Better approach is to maintain the width and closer to your camera. You can save 2 or 3f pause to gain increase and get a clearer, less coarse grain of the image. Tips2: Avoid mobile. The same reason, avoid mobile you can also do a good job. When you push the lens to increase the focal length, you actually greatly reduce the amount of light entering the camera. Its front to push the lens, it is better to maintain a wide focal length and push it close to your camera closer to the object. Tip 3: manual focusing. Automatic focusing lens when shooting in the dark, prone to error, so that your camera's autofocus function of failure to rely on manual focus. You will usually promote the lens, to find the focus on the object, and then pull the lens to your viewfinder on the desired (in this where it is assumed that the widest angle focal length is possible) to start shooting. Tips4: the creation of the light pool. All night scene lit may be difficult, but we do not need it. Do not have to brighten all the scenery, but you can light gathered into a small area to get a good shot. Highly dramatic technology can provide a special environment for your subject, so that it can have free access to the environment; and can arrange a larger shooting thought shooting line and the line between the pass to provide a strategic area. To create a light pool, pay attention to the contrast between the bright areas and dark areas, and use this additional contrast to improve the quality of your shot. Be careful not to annihilation of any light around the shooting range, but want to adapt to the level of the light pool as far as possible, you create the general level of the other light district. In this way, you can highlight the object you are shooting but also make the background visible. A significant main light, and perhaps no fill light or contour of light will create a very dramatic shot, but it can create a lot of contrast. Plus in the pool of light diffusion effect will spread light on the extent of a in pool, but to reduce the contrast and you will have more opportunities to match the surrounding light level. You may also want to reflect the light out. In some cases, you may want to completely abandon the background of your photo set slightly wider than light pool, so that its edge to dissolve the black background. Tips5: match around the source. The gel is a wonderful way, it makes your light has a special property in order to better meet the kind of environment and feel that you want to create. Whether you want to simulate street lights in ice blue pool of light, or a warm orange light in the window, or such as the white light before the car, you can achieve this effect through a mixture of the gel. Tips 6: Entity Theory. When shooting in low light, the quality of your picture may be not as good as your ideal as perfect, but keep in mind the dramatic effect of the upgrade is far more than the loss of quality. Moreover, the shooting time and the subject itself is the most important, sound recordings and video quality does not have great impact.
Sella
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