Samsung’s latest Galaxy S9 (and S9 Plus) handsets have one big advantage over the competition - the camera.
The Galaxy S9 and its bigger brother, the Galaxy S9+, boasts a radical new adjustable-aperture camera which is a first for a mainstream smartphone. Note that It’s not the first in any smartphone - that honour goes to Samsung’s own W2018 launched last year as a China-only exclusive. Technically, we could go back as far as Panasonic’s Lumix DMC-CM1, released in 2014, but that was marketed primarily as a camera rather than as a smartphone.
So what is an adjustable-aperture, and does it matter?
The lens aperture is, simply put, a hole through which light passes on its way through the lens and onto the camera’s sensor. The wider the hole, the more light can pass through. Aperture sizes are measured in f-stops and, perhaps counter-intuitively, smaller f-numbers equate to larger apertures and more light passing through.
The Galaxy S9, like the W2018, features a super-bright lens with an aperture of f/1.5, the widest aperture currently available in any smartphone. This provides an obvious advantage in low-light situations where smartphone cameras often struggle to produce a clear image.
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