The main camera specs of the two phones aren't so different, but it's worth noting that the Google Pixel 2 XL is the first to come with optical image stabilization and
a much wider aperture of f / 1.8.
This was unique when the B - MAX was launched and provides
a much wider aperture for getting in and out of the back seats, or tending to a child seat.
One either uses a much smaller photometric aperture than normal, excluding the nearby star, or one uses
a much wider aperture, containing both stars, and makes a correction for the dilution of the companion.
On the rear, the phone features LEICA dual camera setup, and as per the previously leaked press images, there is a f / 1.6 aperture on both the lenses which makes it the first phone to have
this much wide aperture on not one but both the rear cameras.
Not exact matches
Because the fluorescent glow tends to be dim, a near - infrared light camera needs to have a
wide aperture to collect as
much fluorescent light as possible.
And look how
much better it looks when your
aperture is nice and
wide (f / 4, again) creating a dreamy backdrop:
And the
wide aperture and low boot sill make loading and unloading bulky items that
much easier.
The chaotic perturbations that we seem to think are catastrophic on a human scale barely rate a ripple when the perspective
aperture is opened
much wider.
In a dark room, you don't have
much light to work with, so you'll want to use the longest shutter speed and
widest aperture you can.
F1.5 would also be the
widest aperture we've ever seen on a smartphone, though as we've written before, that doesn't really mean
much without knowing the sensor size.
In the
wide exposure feature, one can change the size of the
aperture and decide how
much light they want to allow to get in.
As for the Huawei Mate 10, the story is the same, only that the
aperture is
much wider at f / 1.6, something that Samsung could beat with an f / 1.4
aperture on the Galaxy S9 and S9 +.
The dual - camera approach has instead been moved to the V20's backside, which includes both a «standard angle» 16MP sensor with f / 1.8
aperture and optical image stabilization, plus a
much wider 8MP camera with an
aperture of f / 2.8.
A second
wide - angle lens with an f / 1.7
aperture replaces it, and OnePlus says it provides
much better low - light performance and better portrait mode effects.
There are some caveats in this test, of course: With different focal lengths and
apertures (2.87 and ƒ / 2.2 for the front - facing camera, vs. 6 and ƒ / 2.4 for the rear - facing) framing the exact picture was often tricky; in addition, the ISP was
much more reticent to create a depth map for non-human subjects on the front - facing camera — I often had to shoot significantly
wider on the front - facing camera to get it to enable Portrait mode.
Not to get too
much into the weeds about how it works, but a
wider aperture essentially allow more light to hit a camera's sensor, which allows the camera to snap its shutter faster in a low - light environment.
When compared to the iPhone 7 (left), the Mate 9 gives you more control over how
much depth of field your
wide aperture photos will exhibit.
Portrait mode and
wide aperture mode pretty
much produce the same effect, but are meant for different purposes.
There's a portrait mode for creating artificial bokeh behind a person, and there's a
wide aperture mode that produces pretty
much the same effect but on objects.
And while the second lens lacks OIS, its
wider aperture means better low - light photos and therefore a
much less stark transition between the two cameras.
It sports a 12 megapixel camera with a
much wider f / 1.7
aperture whereas the front is dominated by a 5 megapixel camera with f / 1.9
aperture.
The
wider aperture on the secondary camera makes low light images look
much better, although they're still not as good as I had hoped.
The shutter speed skews too dark, which doesn't make sense when so
much light is coming in through the
wider aperture.
It also has a
wide aperture mode for capturing photos with as
much or as little background blur as you'd like.
Part of the reason Huawei has opted for two cameras is that it can offset the data between them, creating a depth map and the ability, via software, to blur the background as if it was taken with a
much wider - open
aperture.
This is why an f / 1.8 lens performs
much better in low light than, say, an f / 4 lens — a lower number means a
wider aperture.
Instead, it's replaced with a 20 - megapixel lens with a
much wider f / 1.7
aperture.
When using the
wide aperture mode on the Honor 8 Pro you now get
much better, more detailed and more professional shots.
Aside from the improved, all - metal chassis, the Z2 Play sports a
much - improved 12MP camera with a
wider aperture and Dual Pixel Focus technology, as well as a newer version of the oft - lauded Moto Display feature that we've grown to love so
much.
Instead, there's a 20 - megapixel standard lens with a
much wider f / 1.7
aperture that's meant to improve low - light photos.