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I bought my first 3D printer about a year ago and have had a lot of fun learning how to print, design, and make useful tools. This is my latest project. One of my common UW Camera configurations is to have a macro lens/port with two heavy diopters on a dual flip mount. This makes the rig front...

I need to buy a new set of 3 R-22d sensors for my KISS rebreathers. I just used my last spare and have a couple sensors that will likely age out soon. I have an away trip coming in about 5 weeks and want to have spares on hand. I usually buy from DiveGearExpress and SubGravity, but both are...

I posted a 3D Printed Focus gear for the Lensbaby Velvet 56mm lens on Thingiverse. https://www.thingiverse.com/thing:6475564 The Lensbaby Velvet 56mm is a Manual Focus lens only. There is no autofocus ability. This project will build a Focus Ring to allow the lens to be effectively used...

I posted a 3D Printed Nauticam zoom gear for the Nikon Z-mount 24-50mm lens on Thingiverse. This lens is typically used with the WWL-C wet lens. https://www.thingiverse.com/thing:6460615 The gear works well, and it all fits very cleanly, turns easily. I used a PLA+ hard plastic for the gear...

I posted a 3D Printed zoom gear for the Nikon 16-35mm lens on Thingiverse. https://www.thingiverse.com/thing:6460301 This is a Zoom Gear for the 16-35mm Nikon lens for use with a Nauticam n120 type housing. I tested with D850 and Z8 housings, but it should work with any similar model. The...

My wife and a non-diving friend are going to Kona (big island) in a few weeks. My wife really wants to take her friend to snorkel with the mantas. Can anyone suggest a preferred, quality operator of Manta Night Snorkel adventures? Thanks!

I have had my KISS Spirit LTE CCR for over 8 years now, having bought two of them in 2015 for my wife and myself. This unit comes with a Hollis BOV with an integrated 2nd stage. It is a very simple unbalanced regulator. This BOV model has been used in a few CCR units from both KISS and Hollis...

I recently bought a Nikon Z8 mirrorless camera. Some of the key features and advantages of this and similar cameras is the ability to shoot and incredible # of frames per second and shoot extremely high-quality video. These features require extremely fast memory cards. Enter the CFExpress...

People have been making their own Optical Fiber Cables for years, and there are a number of posts on this topic. The good OEM/Retail optical fiber cables sell for about $90 per cable! And most people need two plus spares. It's ridiculous and offensive how expensive these are when we know where...

View at: https://tinyurl.com/July23BuoyTender This month’s edition includes: President’s Message – by Danny Tong MBDC Club News Feature Article: Memorial Dive for Bobby Berenson by George Baron Feature Article: Diving with a Pony Bottle by Dave Hicks Shooting Gallery with Featured...

I have a love/hate affair with the Backscatter Miniflash Strobes. I've been an early adopter of the MF-1 strobe/snoot combo and recently bought the MF-2 strobe as well. A little history first. I got the MF-1 strobe in early 2020 and have used it ever since. I've done hundreds of dives with it...

I've been using the Inon 330 strobes for quite a while now, and I have been very happy with the performance and reliability of these strobes. But as lots of Inon users have experienced, they do have a couple of annoying habits. 1) The Bastard Button - There is a spring-loaded pre-flash control...

Most of the time I dive on a closed-circuit rebreather, both at home and one trips. Occasionally I make a trip to a destination that does not have easy access to CCR supplies and dive open circuit. Due to the pandemic, it's been a while since I dove OC on a trip in February 2020 to Galapagos. I...

How to Choose a Regulator (an overview of features and their value) One of the first pieces of equipment that every diver will acquire is a set of Regulators. This is one of the most critical pieces of your gear as it enables you to breathe underwater and are considered to be life safety...

Build your own Save a Dive Kit* by Dave Hicks From the Marker Buoy Dive Club October 2021 issue: What’s that hissing noise??? Where are those bubbles coming from??? My dive computer is dead!!! We’ve all experienced this situation on a dive excursion. You are all kitted up and ready to go and...

I'm looking for an Apeks DS4 1st Stage, Din preferred.

I was recently trans-filling a small 14cf O2 cylinder. As I shut it down and depressurized the whip to remove I found it would not depressurize. I had both tanks full closed and when I vented the whip gas kept flowing. I realized that the cylinder valve being filled would not seal. I had to...

I just lost my Zen 170mm dome cover. Does anyone have a spare cover or similar one that will fit this dome?

I need a backup computer for my Shearwater Petrel2 (ext) and am looking for a used Perdix non-AI version.

I mistakenly ordered a replacement fischer cable for my rebreather but chose the wrong connector type. My mistake is your gain. This $300 cable is yours for $180 USD. This is a nearly new 7pin fischer cable, m12 x 1.5 cable gland, and gold pin Molex connections for 3 R-22 type sensors. About...