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Sorry, I am uncomfortable with this idea/practice.

I've just watched some of the videos too! Amazing. That's my admin afternoon screwed!

Nauticam NA-A7Riii housing for Sony A7R iii Nauticam M16 vacuum valve + hand pump Nauticam padded carry bag Used on around 100 dives, excellent condition very few signs of wear (still has the plastic film on the viewfinder window) £1850 GBP would prefer to ship within the UK but willing to ship worldwide. Shipping covered at buyers expense.

It is worth watching the video even just for his shirt! P.S. Jokes apart, great video and explanation indeed

I'm always very jealous of people who are able to spend this much time underwater - especially with sharks as a holiday diver I'd be delighted to even see a hammerhead let alone feed it my camera!

Yes. Just apply a slight crop in post production. P.S. Read the fine prints: https://www.inon.jp/products/action/lens/ufl-g140.html#notes Always set camera's Field of View (FOV)/Digital Lenses to [WIDE]. Using [Linear] or [Narrow] won't bring optimal performance of this lens. When using with HERO11 Black, HERO12 Black and HERO13 Black, shoot in 4:3 or 16:9 aspect ratio as vignetting will occur in 8:7 or HyperView mode.

I don't know him, but he definitely has a Dutch accent.

A future RF fisheye lens will certainly not be compatible with Canon RF converters. The rubber lip takes up far too much space, and RF is generally more compact than EF. It would still be interesting...

I expect that using a fisheye with the RF 1.4x and 2x won't be an option as they have a protruding front element and the also a special bayonet that will only mate with lenses specifically designed for the converters. It needs the right bayonet and enough space at the back to accommodate the nose on the front of the converter. If I recall the RF 100mm macro won't accept them so it seems unlikely a fisheye will, UW photographers are unique in making use of a fisheye zoom and converters. The Kenko converters are different in that they are designed to work with any lens as opposed to only the ones the manufacturer thinks could use one. I don't believe Kenko make an RF 1.4x or 2.0x as Canon doesn't allow Full frame third party optics to be licensed though. Be interesting to see if the lens does appear though.

You will note in an example in the video, the lens used a 17mm extension added to if I recall correctly a 30mm ring. However the video notes that the combination vignetted, so the suggestion was to just remove the 17mm ring and just use the 30mm. This gives you an idea of what you can get away with. IMO an ultra wide rectilinear lens (14mm FF equivalent or less) will be more sensitive than a fisheye lens. I think it likely also depends on the lens in question. A marginal performer might show more issues if the spacing is less than optimal. I think the right answer is get as close as you can within the limitations of your housing system. Some systems have 10mm increments others the extensions go up by 5mm.

I’m intrigued by this. It’s an issue I’ve never noticed- although, I do occasionally find I have to tilt my head slightly to avoid blowing bubbles where they can be unhelpful. Annoying indeed. Assuming you're right handed, Jeanie, is your reg coming over your right shoulder? Kristin’s idea of adding a swivel is a neat one. And by my experience, there is no such thing as a dumb question. I’ve heard some dumb answers though…..

having found the optical centre of a lens and the theoretical centre of the curvature of the dome... how critical is the approximation of the two? Spacers are available for ports but seem to come in say, 10mm increments does being off by 2-3 mm make a critical difference? or is within a centimetre or so acceptable?

Hi all, does anybody know the author / anchorman of these four videos ? At first I thought he is affiliated with the former British camera store OceanOptics, because of the channel name. That however seems wrong. The channel origin seems to come from The Netherlands and I think that this might be confirmed by a slight Dutch accent I am hearing. I am interested to learn more about his uw photographic works and if he maybe is a well established pro or even a waterpixeler 😉 ?

Turn it the other way? If it's really annoying you might need to change hoses (longer or shorter) or add a swivel? I shoot verticals in both the trigger up and trigger down positions and don't really think this is an issue for me, but now I'm going to pay more attention tomorrow 🤣

No I have the RF10-20 mm Very happy with it... rectilinear... some here didn't like rectilinear... I'm really happy with that. But as soon the new RF7-14 will be available... I probably try it... no sure I'll appreciate it.. but I need to try a fisheyes .. I'm allready have th RFx2 extender if it work with the new RF7-14... why not make test with booth together.

Which is why a liveaboard in Palau does offer some advantages. It's not like Komodo, where you can get to a site early in the morning, but it does save up to 90 min a day of boat rides (because the liveaboard sit "inside" ~10 min away from some of the best dives). @bghazzal - having done Palau land-based multiple times (and liveaboard-based multiple times) everything you said it true, however the advantages of a liveaboard are the (much) shorter boat rides to the sites, and the opportunity to dive sites you can't by land (like down in Angaur,even farther south than Peleliu - on the rare occasions that it's flat calm).

This may be the dumbest question ever. When I shoot verticals to have my shutter triggering arm up my arm hits my regulator hose. How does one avoid that?

Yes, all of the backscatter-branded strobes (miniflash, hybrid flash, and atom flash) are all designed in coordination with AOI and built by AOI.

Atleast you can make the trip with borrowed strobes. So Backscatter strobes are just rebranded AOI ones?

I was running the Atom Flashes in manual, not TTL. It wouldn't recognize the pre-flash in manual and they confirmed that. You're right, their strobes are only for Oly and Sony TTL, so I edited my last post because it is incorrect.

I am surprised Backscatter does not know and understand that none of their namesake strobes will support simple standard optical TTL using the camera flash as trigger. The Atom will support manual with and without a preflash but cannot run TTL. TTL is only possible with Oly RC mode or Sony WL Command. Which is sort of chintzy and disappointing and my current hang up with buying a pair. Unless I am reading the manuals wrong.

So I bought two Atom Flashes about a month ago after one of my YS-01s died. When I set them up with my rig (LX-10 with nauticam housing), they would fire/not fire seemingly at random when on manual with the camera flash. After troubleshooting over the phone for about two weeks with Backscatter staff (which included getting two new optical cords), I ended up sending in my housing, camera, and the strobes back to their store in CA to verify that the strobes had some type of incompatibility with my camera. Once received, the Backscatter staff determined that Atom Flash was having difficulty reading the LX-10 preflash, causing all of the misfires. Unfortunately, I leave for a dive trip in a week, so Backscatter is doing me right by sending back a pair of rental strobes along with my housing and camera (which is currently in route). I was told that they're going to work with AOI to determine if there is some type of algorithm change to provide LX-10 compatibility, but they're not sure if that's possible. Otherwise, they're going to warranty the strobes and provide a refund. I was really hoping these would work with my current rig - the specifications and snoot seemed ideal for my use. I'll see what happens with AOI attempting to fix the incompatibility. I wasn't planning on buying new strobes anytime soon, but I was basically forced when the one underpowered YS-01 crapped out. I've been looking at a MFT for a while, but didn't want to spend the money on it. Maybe this is my forcing function to get that MFT and keep the Atom Flashes. So lesson learned is: If you have a Panasonic, call Backscatter and ask if they've tested compatibility with your camera's TTL.

Anyone tried RF 20mm 1.4 on water?

Browning Pass is absolutely mind blowing. The diving North Vancouver Island is so rich and full of life. The currents can be pretty intense though haha. There are a few other dive operators other than God's Pocket up there aswell and a few muuuch cheaper. Hit me up if you need more info! Thanks for watching!

If it is coming at an ultra humongous price, I am afraid. It will be interesting (but also a very slim chance) if we can combine it with RF1.4x and RF2.0x teleconverters. Let‘s also pray that Canon will keep the MFD ultra low and the entrance pupil in the front as on our beloved EF 8-15 fisheye.