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Why would I want the 40 deg version? Does the 32 deg (32213) not cover the whole EVF? In that case, I would totally agree. The reason for taking the WWL-C off is to be able to shoot @ 50 mm through just the flat port, in case there are shy sharks semi-close by. That's a realistic scenario on my next trip. And secondarily, to be able to put a CMC-1 or similar there. Not as a complete macro solution, but nice to have the option. I already have the 24-50 since several years. Bought it for topside use when I want a small and light casual zoom.

On viewfinders; you will want the 40deg version - SKU # 32214. But the older, less expensive, retired model will also work if you can find one used. The Z8 has an option to slightly shrink its EVF so the older viewfinders don't clip. You don't need a flip adapter for the WWL-C, and in fact there is essentially zero reason to ever take it off under water. The 24-50mm zoom allows the WWL-C to shoot standard wide angle all the way to near macro. So don't bother with a flip or bracket to hold the thing underwater. Be sure to check the used lens sites before purchasing the z24-50mm lens. It is usually available in excellent condition at about 1/2 retail cost. I've used KEH.Com to buy many of my lenses with great satisfaction.

New update! I'm now investigating the Nauticam path exclusively. One thing not entirely clear is the choice of viewfinder (pun not really intended but I can also just run with it). Nauticam's modern 40 degrees 0.8:1 or the 32 degrees 1:1 seem to be the best choices, but not really sure which one of them. Since Nauticam says they developed the 0.8:1 with certain EVF:s in mind, they should be able to tell me whether the Z8 is one EVF which would benefit. I hope they will also tell me of differences between exit pupil and eye relief. I don't know how else I would choose between them. I have no way of testing before ordering. On using S&S ports on Nauticam, Nauticam says that "The port mount to lens mount spacing in NA-Z8 is 66 mm". I just measured on my S&S housing, and down to a mm or so it's the same. At least if you count from the outer part of the port mount. That should mean that I could EITHER get a Nauticam N120 Bayonet ring for Sea & Sea ports - one of these I suppose https://www.uwcamerastore.com/nauticam-n120bayonet-ring-for-sea-sea-ports-30203 for each port I want to keep and it should work on the Nauticam housing. OR one adapter for all ports, such as https://sagadive.com/en/product/aro-de-extension-adaptador-seasea-nauticam/ The latter would add 20 mm, so any port currently requiring 20 mm or more of extension should be fine. Of those two alternatives, when looking at my current ports, changing the mount of the port seems better. The first alternative, I mean. Nauticam has also advised against using flip adapters for the WWL-C. They don't think the flip adapters guarantee exact enough positioning of the wet lens. Well, what do I know. I guess it'll have to be a (double) bayonet holder on a strobe arm, then.

Which keyword system / taxonomy do you use? For end-user, having two (or more) ”competing” keyword structures could cause quite a mess, so finding acceptable keyword structure feels to me like critical first step.

And what did you change?

This morning tested for the first time the UWL-O3 with mission 1 Pro.. Focus is now acceptable until 15cm

@Chris Ross Thanks for all of the detailed information and the links. I may have an opportunity to buy a Nauticam rig from a user that already has done the hard work of getting the 8-15 set up. If that falls through I may look into Isotta more. I didn't realize how large their port is.

Answering my own question now that I have been diving with the EMWL for 3 days. Another diver in my group has made a custom zippered neoprene pouch that fits the EMWL fully set up (base, reflex, optic) with SS clips on each end. I've been able to borrow from them and have put the fully set up kit in the pouch and clipped to both sides of my chest D-rings. Back entry in - camera down and before I get near the sand of muck diving in Lembeh Ive vented and attached to bayonet adapter on macro port. I do the reverse to exit the water via boat ladder. Definitely getting the sewing plans to create an identical carry case.

Sure hope this 7artisans actual release would make Laowa to release theirs soon. Wishlist is of course that its almost exactly like old Tokina 🤣

Lens has been officially announced in China: https://www.7artisans.com/prod_view.aspx?nid=3&typeid=125&id=576

Hi, what do you use ?

The Canon is known for being a very sharp lens plus I had a chance to buy the $$$ N85-N120 adapter and the 8-15 lens locally second hand and also picked up the Metabones second hand. Plus I wasn't that keen on using the Metabones speed booster that is used with the 10-17 due to the optics involved though it is reported to work well. I would suggest it is much more straight forward to implement this with Isotta housings. Mainly because they use a larger B102 port compared to the small Nauticam N85 port. I haven't tried but I think you could mount the camera/lens from the back rather than needing to remove the port and lens to remove the camera, particularly if you remove the hood. It's quite the assembly task and I bought the USB-C bulkhead to charge the battery and download images when on a trip so I didn’t need to disassemble it all every day. It's also considerably cheaper (approx $2500 less based on Backscatter pricing) Also the 34.7mm N85-N120 adapter I use is discontinued, you could probably use a N85 - N120 50 or 47mm adapter with a 20mm extension, but I suspect the zoom knob would not mate up correctly and you would need to print the zoom gear I use, the design is listed on the forum. This post outlines the parts list for an 8-15 in Isotta:

Thanks, but I'm not a lightroom user.

The close focus of the Pentax lens is 450mm, meaning that it won't perform well and may not even focus UW with a small dome. The adapter with that big bump may also be an issue depedning on how much room is available inside the housing.

Not for the faint of heart 😈 https://en.wikipedia.org/wiki/Pentax_F_17-28mm_lens https://www.pentaxforums.com/reviews/monster-adapter-la-ke1/autofocus.html MonsterAdapterLA-KE1 - Pentax K-mount lenses to Sony E-mount cameras ad...MonsterAdapter LA-KE1 electronic adapter is designed to adapt Pentax K Mount KAF lenses to Sony E Mount mirrorless bodies with the features including auto-focus, aperture control and EXIF recording et

@Luko @Muellema thank you, great tips Lisbon to Manila > Flight to Cebu > Malapascua (5 days ) Return Cebu > ferry from Cebu to Bohol (5 or 6 days ) fly from Bohol > Manila > Lisbon We are scooter fans, we always rent scooter and explore the islands / beaches/ secrets places 😀 We prefer local places, local culture, local food... away from tourist areas.. Im planning 2 dives in early morning.... and sightseeing in the afternoon.. We are pointing june to august, due the school holidays... but its typhoon season 🥶 Lets see..

I do both. My catalog (and hard drive) is organized by date / trip / location, then I have separate collections by genus or theme, e.g. “turtles” or “walls”. I’m too lazy to keyword individual images.

@Chris Ross I've been looking into fisheye options more and the Canon 8-15 is quite intriguing, as well as the Tokina 10-17. Did you also consider the latter and what was your reason for going with the Canon? Thanks!

I was replying to NandoDiver asking for general tips in the Visayas. But to your question about Moalboal, not a specific critter but for me outside of teh sardines school the hightlight would be the coral walls on Pescador island, which is one of my favorite dives in the Philippines. Go the earlier you can in the morning, ther used to be operations that scheduled early morning dives on Pescador for REAL divers, however I don't think anymore as all the dive centers are now waiting for the truckloads of Asian group divers coming from Cebu around 10 AM. = where you can find HUGE spanish dancer nudibranches (I really mean HUGE like 40-50cm large!!!), but you need to go deeper around 35-36m to find them .. or the usual giant frogfish on a sponge in the shallower parts.

Pentax did have a 15-28mm full frame fisheye before the appearance of the Tokina 10-17.