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I've bought all of my 18650s from here: Home page | NKON https://eu.nkon.nl/rechargeable/li-ion/18650-size/keeppower-18650-2600-li-ion.html

Some years ago certain specific models of (IIRC) UltraFire batteries became very popular in places like Budget Light Forum for being suprisingly good quality for the money. Well that fun didn't last long, as many vendors on AliExpress started sleeving their recycled laptop cells into UltraFire...

With the ball head mount: Dry weight: 560 g Weight in water: 280 g I had 4x Keeppower 18650 2600mAh batteries in it when measuring.

I received my new A15 some weeks ago. Suprisingly it's somewhat shorter than my old A11. Other dimensions seem identical. The switch is also slightly different, the button protrudes maybe 0.5 mm more from the base and seems clickier. The driver no longer has a long press for standby mode, but I...

Thanks, but I was mainly curious about the beam angle, not the emitter itself. Though the point about more even light is good to know. Here's a quick sketch of what I meant: I'm theorizing that an 80 degree beam would leave a larger "dead zone" of non-illuminated particles. I'm also mainly...

Would a COB variant be better for filming in murky waters with its 80 degree beam? So far I haven't had any of my video lights attached to my camera rig due to poor visibility and extreme backscatter in the Baltic Sea. My diving buddy has been my lighting guy, but these lights are so inexpensive...

Thank you David, this thread has been a gold mine of information. Here are a couple of more pictures of the Visiomer: Also, I'd appreciate if someone could tell me whether Sommap's Alcyon takes aftermarket spring straps intended for the Jet Fin.

Thanks @Aqua-Andy. I did some further digging and it seems that Aropec in Taiwan is the original manufacturer of these masks. Beaver, Promate, deProfundis, Scubamax and others just sell them under their own label. Single Lens Frameless Mask

Could you weigh in on whether this is the same mask as the MK153: Taiwan Mask | ITADA INTERNATIONAL CO., LTD. I'm considering buying one, since many people are praising the Scubamax on Scubaboard. It's also being sold in Europe under the deProfundis trademark: De profundis Frameless Dir Style...

DIY cam bands I just finished: Parts used: 2x friction pads from eBay ($6) 2x SS buckles from eBay ($12) 2x SS triglides DirZone webbing (2x120cm) 2" wide bicycle inner tube DirZone webbing turned out to be somewhat thicker than expected, so I had to flatten the ends with a butane torch...

How's the Scubapro's own bungee-mount? I'm considering buying this, or just the FS-2 capsule and a DSS bungee-mount.

I've reasoned that LED technology is advancing so fast, that there's no point in investing in a rock solid can light right now. But that's just me, if I were diving in overhead environments I'd definitely get something more reliable.

I zip tied a 0.75 kg vinyl coated bumper plate to the forward edge of the tray and it's now slightly negative in fresh water. Your system sounds better though, as mine still has some forward lift.

Thanks Dan, I do have a tray which has a dry weight of 600g, but I'm currently not planning to add anything else. I'll be mainly filming shipwrecks in fairly poor visibility and any camera-attached light will just illuminate particles right in front of the camera. My dive buddy will be handling...

Pool test passed. It's very buoyant though, and I was thinking of getting a 1 or 2 lbs lead weight and zip-tying it into the tray, right underneath the dome. Which one should I go for to make the whole thing a tad negative?

Got mine today, I'm so far positively surprised by the general build quality. I'm doing a quick pool test soon, but I'll write a longer report after I've gotten it into the sea in late May / early June. I was also able to find a pouch from AliExpress which fits the case + handle...

They do market it as a 2 x 18650 flashlight, but it actually uses some sort of a custom battery, which has both positive and negative terminals on the same side. Won't work with standard 18650s, I've tried.

I mainly do non-technical wreck diving in the Gulf of Finland. While good lighting is very important, I'm willing to go with a cheaper light until I get into more serious stuff. I had a 740lm Magicshine MJ-810E flashlight for a couple of years, while it has worked fine, the non-standard battery...

Thank you scuba_mc, 90+ minutes sounds good, I'll start with three cells and buy more if they're not enough. I'll probably get this light for next summer's dives, unless Brinyte rolls out something new over the winter.

What sort of a runtime can you guys get with 3x5200mAh batteries?