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Excellent. I hope you have fun with it. One small note of caution: the lens zoom ring on them has a tendency to detach! The ring seems to be held in place by sticky tape. So I’d suggest care is needed when fitting the port/housing zoom ring - and once in place, leave it on. If the lens zoom ring does detach, don’t panic! (Yes, easier said than done!). It’s not hard to reattach. I’ve had two copies of the lens and both have had the same issue. But with a little care, they were/are perfectly useable.

It was really a question of letting her use the subsee. She actually has a very good underwater magnifying glass from the Netherlands that she uses a lot but it is quite large and I thought she might enjoy having the subsee as a smaller alternative for some dives, and the idea of a handle that worked with a 67mm diopter seemed like a fairly simple addition. But thank you for the suggestion!

What about one of these ? Prescription Dive MasksRetractable Magnifier – Precise Lens Tool for Dive Gear |...Explore our retractable magnifier—perfect for checking dive mask prescriptions, lens clarity, or gear inspections. Compact, durable, and easy to use underwater or on land.complete with a retractor.

It is the Vivid housings Leak sentinel . I think for Sea Frogs you have to contact the guy to order one with the right thread for that housing. Here's one thread discussing the device:

What is that third solution to keeping a Salted Line housing under vacuum while diving ?

Thanks for the info. Indeed, we can only find them in the used market. I got lucky and seemed to have found one in great condition. Looking forward to try it underwater !

That is an interesting idea, although the cost is much higher than reefnet's "handle," whatever that might be. I sent reefnet a request for info and might see what Dave can fabricate.

The lens has a rather significant o-ring which seals to the adapter.

Reef Photo & VideoInon M67 Lens ArmThe Underwater Imaging Professionals. Your resource for underwater photo & video needs from underwater housings & cameras to lighting & used gear.Would work nicely as a handle

I've got a 65 I could sell if you want to DM me.

I have seen pictures of that one before On the reefnet website they list a SS-H "handle" and a SS-L "lanyard mount" and I would think your pictures shows the lanyard, but perhaps not. Actually, I just found an ad from a store in the netherlands and describing that as a lanyard mount:

I don't know how you set your focus point... If you can track that using a software, it would be obviously helpful. But if you used a relatively small aperture and the focus point is somewhere on the subject, it shouldn't be a problem to assess the image quality in any case. In underwater wide-angle photography, the edges of the image, and especially the corners, are always problematic in terms of sharpness due to the laws of physics. Therefore, it is a constant struggle for underwater photographers to assemble a camera system that overcomes these physical limitations.😁

Definitely a good question. Seems we don’t know yet. From the released images, they appear to have the same controls. I’m sure we’ll find out in the coming days.

Yes, that sounds fantastic! I'm only wondering why Nauticam nor Isotta are giving this information on their homepage, and why there is an extra Nauticam House for A7V...

Hi @Susa - yes, it looks to be correct. That simply means Sony used the same body design for the new a7V as they did for the a7rV. That’s not completely unexpected as the a7rV is a relatively new body design. The a1 and a7sIII also share the same housing, with the addition of a slightly different mounting tray for the a7sIII. For us, this is a big win! We can use the same housing for two different excellent cameras! Now if the upcoming a7rVI keeps the same body, well, that will be monumental! But, as in diving, let’s not hold our breath. 🤔😂

Does it matter where the plane of focus is/was? I am not sure if pixel peeping needs to be in focus plane or does not matter. Mostly because i do not exactly understand pixel peeping. I realize sharp image from out of focus, obviously pixels has something to do with image quality, not sure I understand about corner pixel peeping.

Years ago, when I bought my magnifier, I bought the 'handle' for the same reason as you. What I have is really just a collar with wrist strap and fits with both end caps on. Ben

The triumph of Hope over Experience?

Well, my dive partner has recently ordered a brand new 140 mm dome Nauticam port for his Nauticam housing, so we will know in a short time if it's true that the new ones comes comes with the lug machined. Yes, I want it to use with the Canon 8-15 Fisheye + Kenko 1.4x. @Walt Stearns is selling this dome in the forum along with a Sigma lens, and he talks fine about it, but I would like to have more information. Also I would buy his dome if it wasn't along with the lens

Hi all, on the backscatter page there is an offer for Isotta/Nauticam A7R5 houses and they are telling that these housings are also fitting the new A7V without more further description. Has anybody here experience with that? And there is also an extra house announced from Nauticam for the A7V. What is the difference here, if anyone can tell? Thanks in advance! Kind regards Susanne