Nikon to announce the world’s first waterproof mirrorless camera with interchangeable lenses

In the next 2 hours Nikon will announce the world's first waterproof mirrorless compact digital camera with interchangeable lenses - the Nikon 1 AW1. Two new 1 Nikkor AW lenses will also be announced:

  • 1 NIKKOR AW 10mm f/2.8
  • 1 NIKKOR AW 11-27.5mm f/3.5-5.6

For more details and additional coverage, check

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  • 10mm would be 27mm FFE on land, and 35-ish underwater, no? Great choice of lenses to start with.

    • Ameer

      Can you elaborate how 27mm equivalent to 35mm ish under water?!

      • Les

        Water refracts light more than air does.

        Have you ever seen a picture where half the image is underwater? You will notice that the underwater half looks like it is zoomed-in compared to the above-water half. For instance, a swimmer’s head may look small compared to their body.

        • Ameer

          That still does not answer my question. what you have just described is based on your prception not facts.
          I agree water refracts light more, but in what direction? because you could say 27mm may look like 24mm as well depending on the direction of the light hitting the lens.
          based on you analyses about the swimmer, you could say water may acts macro for the lens and increase the ratio 1:1 or even higher. this is all speculation but not facts.
          you get may point here is more like indivdual preception in understading why it is like that bot based on facts.

          • Les’s answer is actually based on “facts”.

            Here is the closest theoretical explanation I could find; you will need to extrapolate the discussion of “magnification” to how it affects “field of view”, and hence “equivalent focal length”.


            You can guess from this discussion that the exact magnification depends on the density of water, which affects refraction, and curvature of the outermost surface.

          • Ameer

            Thanks for the link.
            If you read it carefully my comment above and the article in the link it proves my point. The reftaction in this case has increased the magnification of the lens by a factor of 1.33 . Which means it has increased the macro capability of the lens not the focal length. And this may look like increas in focal length.

            Also the article only talk about magnification l.e. macro capability.

          • True, but for non-macro situations such as wide-angle view, I would interpret “magnification” as kind of a “teleconverter” effect, since it does change the apparent field of view when you are staying at the same distance from the object, in addition to the change in focal plane. So which terminology one would use depends on the context.

            Anyway, the “terrestrial equivalent focal length” usage is a well-established concept in camera marketing, and most underwater camera manufacturers will publish such numbers. When you are taking underwater landscape photos, this number comes in handy, as a guide as to how wide a photo you can take. People might buy the 10mm lens thinking that it is a “super-wide”, like it is on land, but it is really a “standard wide” underwater.

          • Les


            Not enough space for a full explanation, but the short answer is that the speed of light is lower in water than it is in air (which is lower again than the speed of light in a vacuum). Water acts like a big magnifier in front of your lens.

            Longer answer: go read Richard Feinman’s “QED: The Strange Theory of Light and Matter,” where he explains his contributions to quantum physics (which led to his Nobel prize). It’s essential reading for anyone who is interested in how light and optics really work. You will thank me later.

  • madmax

    Next announcement: First camera without interchangeable lenses and without a lens at all, but waterproof.

  • bomberesque

    waterproof ….. Nikonos waterproof or “OK for snorkeling” waterproof. OK don’t answer that

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