There are several websites which specifically associate themselves with trail cameras, their uses, their prices, their effectiveness and their value for money. Some of these sites will give their opinion as to the best trail camera whilst others content themselves to just reviewing many of the different ones and posting their results. Either way, these websites can be very useful to look at prior to buying a trail camera.
Trail cameras are generally used in wilderness locations as they are designed to be placed somewhere inconspicuous and left to take photographers on their own without further human action. This is achieved by having the cameras provide their own motion detectors which when detecting motion, trigger the camera to start taking pictures. This enables photographs to be taken of wildlife in their natural habitat without the presence of humans to cause them to deviate from their natural behavior.
Apart from the capabilities of the detection system, a good trail camera should also be able to take excellent photographs and these, along with the battery life of the camera, are the main points people look at when deciding which camera to buy. Some people may place preference on cost whilst others may tale preference on quality whilst others require a good sensor distance. What will probably decide you on which the best is for you will probably depend on where you intend to take the photos and how remote the location.
It is of course particularly hard to take good wildlife photographs at night but recent technology has started to make this easier by providing cameras with infrared and resorting back to black and white imaging. Some of the trail cameras today also have video capabilities which can be an added bonus, providing it does not take away from the quality of the still photography.
As mentioned earlier, the battery life of a camera can be very important especially if you plan on setting your camera up in more remote locations. Although some cameras today are compatible with using rechargeable batteries, most still are not and so the size and type of batteries the camera uses are important and of course, the sensors also need power.
Some of these trail cameras have many different features but, as some of the review sites report, some of those features are hard to understand, especially if the instruction booklet is vague. Any additional features can, of course, be good but only if you fully understand them so you can make the most use of them otherwise, they may just be a needless extra expense.