Archive for August, 2008
The people that use genuine underwater digital cameras are those where it is usually used in the course of their work, as these cameras are very expensive. It’s usually the likes of marine biologists and other scientific personnel who use underwater digital cameras to study life beneath the waves. However, a much cheaper solution would be to purchase a transparent underwater camera cover to protect your regular digital camera. These underwater camera covers work quite well in converting a regular digital camera into an underwater digital camera.
If it is your aim to take some underwater images while using an underwater camera cover with your digital camera, then here are some tips I can give you to improve the quality of your images.
Lighting Issues with Underwater Camera Covers
Underwater, light distorts or diffuses, an effect that is made worse at greater depth. Owing to the waters diffusing action, all images end up darker than a normal photo would out of the water, but this can be avoided if a few simple settings on the cameras white balance facility are adjusted. This diffusion effect also magnifies the image to give the impression the zoom function was used. With the underwater camera cover in place, use the cameras viewfinder to check that what you want in the image is actually in the viewfinder or the shot will be wasted.
Is Your Underwater Camera Cover Really Waterproof?
You don’t want to have a camera cover that leaks when you go underwater so before you dive, check that the case is waterproof by holding it below the surface for a few seconds. Make sure that no grain of sand or a rib of hair is stuck in between the seal to insure that water will not permeate the case and thus wet your digital camera in the process. Small silica gel packs can be useful if they can fit in the cover without causing an obstruction.
Extra Lenses and Underwater Camera Covers
If you have a chance you should try and fit additional lenses to your digital camera before you purchase an underwater camera cover. Most decent waterproof camera covers will allow for additional lenses, but it is always a good idea to check. Even if you don’t have any extra lenses at present, it might be worth allowing room for them when it comes to getting an underwater camera cover for your camera. This way you won’t need to get a new waterproof cover when you buy a macro or zoom lens sometime in the future.
Protecting Your Underwater Camera Cover
When you re-surface be sure to rinse off your camera cover fully insuring all the salt water is washed off the cover as crystals of salt can break the cover seals. It is not uncommon to find the odd grain of sand getting into the case, which will cause problems later on. You can rinse the camera cover with a flow of clean tap or bottled water.
Buy Underwater Camera Covers Here!
The only people I have seen use proper underwater digital cameras are marine botanists and other scientific personnel The likes of marine biologists and other scientific personnel use underwater digital cameras to study life beneath the waves
Buying one of those underwater digital cameras isn?t really likely but you could buy one of the cheaper options if you are only going below the surface for a short while and not to deep.
There is lack of real underwater cameras owing to the problems of water ingress in to the camera and of water pressure The closest electronics has ever got to producing underwater digital cameras are producing underwater casings for digital cameras. These cases have been very popular, especially with people on holiday that want to take a few underwater snaps with their favorite digital camera.
Before you rush off and buy one of these clever cases there is some information about underwater shooting you need to know.
Water diffuses the light and the farther down you go the more this diffusion occurs. You will notice that images captured underwater are always darker and this is a The water also has a strange effect on how the pictures look giving them the appearance of being magnified. You will have to pay more attention using the viewfinder to make sure you are achieving the shot you want.
It is a good idea to make sure that the camera won?t leak whilst you are diving so just hold it under the water for a few seconds to be on the safe side. It is quite easy for something as tiny as a human hair to break the camera case seal and this will lead to a leak. It is also advisable to put a silica gel pack or two inside the case of your underwater digital camera as long as they don?t disturb the camera?s operation.
Ask your underwater digital camera supplier if you can add extra lenses to complete the kit. If you enjoy looking at things close up then you will need to fit a macro lens.
One problem with using an underwater digital camera is that if it is not rinsed off thoroughly, the salt can crystallize and cause leaks later on. The best way to rinse of an underwater digital camera where grains of sand are present in particular is with a flow of clean water.
You will find out more about underwater digital cameras at the Sony, canon or Nikon web site who are manufacturers that produce this type of specialized item.
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