Sony a7R III Weather Sealing Teardown

Just how weather resistant is that Sony a7R IIIHere’s an inside look at one of the hottest selling cameras to see how sealed it really is.

One thing that’s always bothered me about Sony and other camera manufacturers is the lack of specifics they give when talking about weather sealing in their cameras. It seems to me the companies have taken full advantage of being able to say “this product has weather resistance” and leaving it up to what the consumer thinks that means (usually giving the benefit of the doubt to the company they are buying from; no one wants to entertain that the product they are putting money down for is less than incredible). All the while they are not backing up this marketing claim with any sort of guarantee. Unfortunately, there is no great resolution to this as I fully understand these companies can’t just be warrantying water-logged products — too many dishonest people will ruin it for everyone else on day one.

With the new a7R III, Sony has claimed that it is more weather resistant than the previous model. Roger Cicala of LensRentals popped open one of these a7R IIIs and took it apart piece by piece, detailing what Sony has done to provide this enhanced weather resistance and comparing it to other Alpha cameras.

For now, these excellent third-party teardowns and analysis articles are the best we can do to educate ourselves on what exactly “weather resistant” means.

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Jonathan Ferland-Valois's picture

It would be nice if they would start using standards like IPX4 or 5 or something like that. At least we'd have an idea, and they could publish torture tests.

Gergö Nyirö's picture

excellent idea!

Matthew Saville's picture

You can show cool CAD diagrams and "what's inside" content all you want, but the real test is when you start seeing images like this on the internet...

Deleted Account's picture

Check Imaging Resource's water torture test for 2017.
Nikon D850 vs Sony A7RIII, Canon 5D Mk IV & Olympus E-M1 II