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Tired of having a negative rig that is hard to control underwater? There are many good reasons for having a neutral/slightly negative rig. If like myself you do not have an endless supply of money to keep buying equipment to try and get the right balance or little access to a pool you need to find out your starting point.
By understanding the exact weight of your camera rig underwater you can then work out what best to do next.
GoPro® HERO3 / HERO3+/Hero 4 is ultra compact and high quality video camera capturing dominant market share in wearable camera segment thanks to wide range of accessories and handy video editing application “GoPro® Studio” in addition to camera’s performance.
However, when we bring GoPro® camera underwater, angle of view narrows down dramatically due to different refraction ratio and subjects in close range (within approx. 60cm/2ft) are out of focus since GoPro® camera is a deep focus camera (fixed focal length) which prevents it from using for macro imaging.
I have to admit that I am rather obsessed with having the correct camera buoyancy. I have spent considerable time just trying to get the rig right. The three main benefits of this is Good Handling, Safety & Expense
I even made my own modular system from Divinycell 80. A material made in yacht building that does not compress until 80m. This is very helpful as it maintains its buoyancy at depth, basic foam does compress and as a result, your rig will become progressively more negative at depth. I now though use INON float arms and Stix arms to achieve the same result.