Magic filters are necessary tools for those who are planning to use their action camera for underwater shooting. They work by filtering green and blue light to allow more red light to enter the camera’s sensor. 1 to ½ stops of light are lost when using these filters. This way, the colors underwater become more balanced when captured. Magic filters work best when used on large reefs, schools of fish, and wrecks that are usually not captured by light strobes. It also removes the possibility of backscattering as well. When using it, you have to make sure that the sun is behind you as it serves as the source of light for your subject.
These filters are placed on the front rear of the camera lens. Besides from action and DSLR use, they can also be used to compact point and shoot units as well. When using this, make sure that you turn off the flash to achieve results. Underwater filters, moreover, do not add color to the subject but subtract wavelength from it instead. This means that some light will be removed from the subject so you have to shoot using a higher ISO underwater or a wider aperture to achieve the high shutter speed that you need for your underwater shoots.
Note though that underwater filters do not do all the work so you have to apply some techniques to achieve the photo quality that you want. Here, we take note some tips that you can apply to improve your photo quality.
· It has already been mentioned earlier that you need to have the sun behind you when using filters. Sunny days are one of the best times to make use of your magic filters because you can work with better and brighter light.
· Use the aperture priority mode for still subjects and shutter-priority mode for the moving subjects. Doing some test shot first to check if your camera requires exposure compensation set can help a lot.
· Turn off your flash and use ambient light instead.
· One of the best angles that maximises the use of magic filters is the wide angle.
· Filters can…