Some professional marine photographers use underwater digital cameras as part of their field of work in addition to using them to capture photos & memories underwater. Even marine biologists and experts use underwater digital cameras to record marine life so they may learn more about its characteristics and study it. However, We believe it is safe to presume that neither you, our reader, nor I are either marine scientists or seasoned photographers. Like me, you’re a photo enthusiast who loves to catch underwater moments but is unable to do so without damaging their cameras.
Submerging it under water to get the perfect image is equivalent to throwing it out the window in the hopes that a pick-up truck will drive by and run it over since to be waterproof is to resist the water to a certain extent.
Now, I advise you to purchase specialised cameras if you’re really serious about using an underwater digital camera to document those weird and wonderful moments underwater.
Since digital cameras are electrical and cannot tolerate water and water pressure, underwater digital cameras are uncommon. Manufacturing underwater cases for digital cameras is the closest electronics has ever come to manufacturing underwater digital cameras. Your standard digital camera will become an underwater digital camera with the help of these casings.
To get the greatest underwater photos when using your underwater digital camera, there are a few things you should keep in mind.
Keep in mind that light diffuses as you go deeper under the sea. The red spectrum appears darker due to light diffusion, therefore your underwater digital camera will capture photographs that are darker than those you captured on land. Use white balance to create colors that are natural to avoid this. Additionally, photos taken underwater with the same zoom effect will appear larger than photos taken on land. Make careful to check the desired image angle and size in the viewfinder of your underwater digital camera.
With its built-in flash, an underwater digital camera may capture marine show phenomena. It is recommended to use an external flash with your underwater digital camera to prevent the situation where your photos appear fuzzy and have white particles floating above them.

Check for leaks through the case by submerging your underwater digital camera in water for a few seconds before using it. To ensure that water does not seep through the seal and saturate your camera, make sure that there are no sand or hair particles stuck there.
As long as they don’t interfere with the camera’s functionality, it’s also a good idea to place a piece or two of silica gel inside the case of your underwater digital camera. (Silica gel will prevent condensation within your camera case.)
The majority of underwater digital cameras have add-on lenses. Add these lenses to your collection of underwater digital cameras without hesitation. You can take pictures of little objects using macro lenses without approaching too closely and frightening your subject.
Keep in mind to always wash your equipment after using salt water. If the salts aren’t removed, they will eventually crystallize, act like sand, and leak into your camera cover.
For information on available underwater cases for your digital cameras, visit the websites of Sony, Nikon, and Canon.
With its sophisticated professional waterproof sports camera, the Olympus Tough TG-6 is ideally suited for underwater photography. Its sensor is the biggest in its class and can satisfy demands beyond routine usage, even though it is five years old. Despite the discontinuation of the product line, the TG-6 is still a good option for taking photos with underwater lenses.

Specifications
- 12MP, 1/2.3″ BSI-CMOS sensor
- 25-100mm equivalent F2.0-4.9 stabilized lens
- Waterproof to 15m (45ft), shockproof from 2.1m (7ft), crushproof to 100kgf (220lbf), freezeproof to -10°C (14°F), dustproof
- 3″, 1.04M-dot display (non-touch)
- Raw support
- 1cm (0.4″) minimum focusing distance
- 20 fps burst shooting
- Pro Capture mode saves photos before and after the shutter release is pressed, to help you capture the right moment
- 4K/30p video
- Built-in GPS, altimeter, compass, thermometer and accelerometer
- Optional conversion lenses and flash accessories
The TG-6 comes in black or red and is priced at $379.