Can’t they make smartphone with simply one effective camera except Multiple Camera?
They have tried it.
The trouble is when you make a smartphone that’s bought a “powerful” Digicam — something on the order of a $100 or so factor and shoot Digicam — you get a machine that’s a greater camera, much less phone.
Consumers rejected this idea.
Multiple Camera in Smartphone
The hassle is that when we purchase phones, we count on them to be … pocket private computers.
It’s truly rather stupid we nevertheless say “phone”.
A smartphone is a $500-$1000 pocket laptop that includes a few radio modem peripherals (cellular, WiFi, Bluetooth), a few $10-$25 digital camera peripherals, a bunch of sensors, a long-lived battery, etc.
But over the remaining 20+ years, the suited shape aspect of this machine has fantastically a lot been set in stone.
There’s been a gradual tweaking away of the display bezels, the buttons have been coming and going, however, the smartphone itself nowadays wants to be between 7 and 9mm thick or thereabouts, or it’ll simply fail. Consumers don’t favor a thick phone.
The preferred Digicam on each and every smartphone has a wide-angle lens, equal to about 26–30mm on a full-frame Digicam (35mm sized photograph sensor).
On your phone, that’s about a 4.0–5.5mm focal size lens, due to the fact the phone’s photograph sensor will be 1/30–1/50 the dimension of the full-frame sensor.
But even simply to make that a “normal” lens, someplace around 50–55mm, you’d want a 9–11mm lens.
The math simply doesn’t work out… you can’t stuff 11mm well worth of lens into a 7–9mm thick body. And overlook a telescopic lens!
And yet, modern-day telephones have more cameras.
Multiple Cameras Defination
Some provide ultra-wide-angle lenses for panorama shots, and some provide “portrait” lenses.
Some of these portrait lenses are surely simply regular lenses — Apple’s, for example, are about the equal of a 52mm lens on a full-frame camera.
An actual portrait lens on a full-frame digital camera is normally around 85mm.
How does Apple or all of us else defy physics?
They don’t, and there’s the rub. As I mentioned, the smaller sensor on your major digicam makes use of that 4.0–5.0mm lens, which is equal to the 26–30mm on some seasoned cameras.
That works due to the fact the smaller the sensor, the greater magnification you get from the identical lens. Camera humans refer to it as the “crop factor” when evaluating a full-frame sensor.
The usual predominant sensor chip these days is referred to as a 1/2.55″ sensor… form of an arcane measurement, however, it’s tiny.
But for that portrait lens, quite a few organizations use an even smaller 1/3.6″ sensor. And when you get to one of the few authentic telescopic lens/camera combinations, you might also have a 1/4″ chip. The lens is probable no extra than 6mm or so in most cases.
A few telephones get around this makes use of a “periscope” or “folded” camera.
This thinking goes lower back to the Minolta Dimage X in 2001, or perhaps even similarly back, however, it’s currently resurfaced in phones.
A prism or replicate redirects mild to a lens that sits alongside the size of the camera. So you can make a lens that’s longer than 6mm… however now the picture sensor has to be no wider than some realistic proportion of the phone’s thickness. So most of these nonetheless use a tiny 1/4″ digicam chip, about 3.6mm x 2.7mm in the imaging area.
The smaller the chip, the decrease the photograph quality, all else being equal. The reality is, consumers, favor top cameras in their phones, however, if they have been inclined to change photos nice for pocketability, they’re simply buying a compact digital camera (or better) and get ways optimal image.
But that would additionally require mastering a little photography.
Fact is, today, smartphones encompass synthetic talent and computational photographic modes that are an awful lot “smarter” than any camera.
That can’t beat a skilled photographer’s brain, however, it does imply that all people can choose up a smartphone and get awesome technical picture quality.
The artwork and aesthetics, that’s nonetheless up to you… for now.