How to make my picture size 2048*1152(16:9)

I want to change my picture size of my iPhone 6 to 2048*1152. Can anyone help me please?

Thanks,

Arhaan.

Posted on Jul 22, 2017 12:17 PM

Reply
18 replies

Jul 25, 2017 6:22 AM in response to Kurt Lang

Let's see: 1334 / 750 = 1.7787. So the ratio is 1.7787 to 1. If I multiply 1.7787 by 9 (the smaller dimension) I get 16.008, which for all practical purposes makes the screen 16:9 (0.8 pixel discrepancy).


1136/640 = 1.775. So the ratio is 1.775 to 1. Again multiplying by 9 I get 15.975, which again is 16:9 for all practical purposes (2.5 pixel discrepancy).


The camera takes all stills at a 4:3 aspect ratio. While it can take 16:9 video, it does that by cropping the image from the sensor. While Apple doesn't state the aspect ratio of the sensor, every picture I have ever taken with my iPhone has a 4:3 aspect ratio (See example below). You can find technical descriptions of the sensor with an Internet search. Most of them compare it to other phones, which are similar, but all are 4:3.


User uploaded file

Engine room power distribution panel, USS Yorktown Museum, Charleston, South Carolina


[EDIT: Corrected position of decimal point in some numbers]

Jul 24, 2017 5:16 PM in response to Kurt Lang

Kurt Lang wrote:


You can't. The screen itself is a longer rectangle than 16:9. The camera will always take an image with the same aspect ratio as the screen. You have to crop images to 16:9 afterwards.

The screen itself is 16:9, both in physical shape and pixel dimensions. The CDS sensor, however, cannot take 16:9 images; its aspect ratio is 4:3 so the best it can do is a 4:3 image, or 16:12. So the only way to get a 16:9 image is by cropping or stretching.

Jul 24, 2017 5:23 PM in response to ArhaanKhaku

ArhaanKhaku wrote:


Thanks a lot sberman but, I was asking how to make my camera 16:9?

Thanks,

Arhaan

You can't. The camera's sensor has a 4:3 aspect ratio. This is true of almost all cell phone cameras, and also most DSLR cameras. Cameras with a 16:9 aspect ratio are almost impossible to build, because they would require a lens that was not round or a camera that only used part of the lens, and the aberration would product terrible distortion. While there are lenses that can do that, they are very expensive. 70 MM movie cameras can do that, such as the one used to film Dunkirk. But they would really exceed your allowance. That's why 16:9 images and videos almost always take at 16:12 (4:3), then cropped.

Jul 24, 2017 6:39 PM in response to Lawrence Finch

Apple and many other sites state the iPhone as having 16:9 screens, but they're wrong.


My wife's iPhone 5 has a screen size of 1136 x 640, which is an aspect ratio of 71:40. The camera itself takes 16:9 video in 1080 or 720 mode. Strangely, Apple's own spec page doesn't tell you what size still pictures it takes. Only that it's 8 megapixels.


My iPhone 6s has a 1334 x 750 screen, for a really oddball aspect ratio of 667:375. Like the iPhone 5, it takes 16:9 video, so the video is a shorter rectangle than the screen itself. Apple again only states the still image size in megapixels. 12 for the iPhone 6s. No mention of the dimensions of the still images it takes. I'd have to take a shot with each and see what each does.

Jul 25, 2017 11:43 AM in response to Lawrence Finch

Let's see: 1334 / 750 = 1.7787. So the ratio is 1.7787 to 1. …

And you are quite right! I have never known (and was too lazy to look up) the way to mathematically figure out a ratio. I went to this site, and it turned out to be useless. Put in the iPhone 6s screen size of 1334 x 750 and it spits out 667:375. However, a different ratio calculator confirms your math. Put in 1334 x 750 there and it gives the exact resolution as would fit 16:9. Which is 1334 x 750.38. Close enough, as you stated.

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How to make my picture size 2048*1152(16:9)

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