test

Outside of just doing an in-water test, how do you burn test your DPV batteries? Resistor bank and voltmeter? Looking for a way to properly burn test my DPV at home with either a DIY solution or something off the shelf if a company makes a tester. I have a DiveX Piranha (non-PTB) but would also...

SONY A7 IV UNDERWATER CAMERA REVIEW By: Jim Decker The Sony a7 IV boasts an all-new sensor and other significant performance upgrades from the previous Sony a7 III camera. The “middle” child of the a7 series, the base model has often been looked over. But at 33MP resolution, it’s knocking on...

OLYMPUS OM-1 UNDERWATER CAMERA REVIEW By: Jim Decker The Olympus OM-1 camera is the latest top-of-the-line flagship Micro 4/3 camera from Olympus/OM Systems. We took the new Olympus OM-1 mirrorless camera underwater to the Digital Shootout in Bonaire for a complete review and performance test...

NIKON Z7 II UNDERWATER CAMERA REVIEW Can Nikon continue to build on the momentum and success of their first foray into the full-frame mirrorless world? The answer in this case is a solid YES. The second generation of Nikon's full-frame mirrorless camera line is here with the Nikon Z7 II. It...

WEIRD UNDERWATER LENSES Let’s Get Weird When it comes to underwater photography lenses, the best performance and most reliable results are going to come from either the ultra-wide fisheye or high-magnification macro ends of the lens spectrum. These have long been the go-to types of lenses for...

Sony a1 Underwater Camera Review By: Jim Decker The Sony a1 on paper looks like the “one” camera to rule them all. With high resolution (50mp), speed (up to 30 fps stills), and 8K 30p/4K 120p video, can this camera live up to being a jack of all trades AND master of all? After testing the...

Does anyone recognize the manufacture of this test panel Alec Peirce is using seen in the below picture? Just can’t make out the logo, there’s a manufactures website but can’t make it out either. Hoping someone recognizes the manufactures logo. Thanks

Hi, How does one go about testing new gear, like checking weights/buoyancy... I would not want to do it during a group dive so I don't delay group. How do I find a dive buddy to just go and test gear somewhere easy, I guess like Centeen park or Morrison Quarry? I'm in Ottawa and my playground...