0 Comments One of the most confusing things for a new photographer is understanding image size, resolution, and printing. I’ll try and explain what these things mean, and how to make the best choices depending on what you want to do with your photos. Megapixels and photo size As a photographer you will already have confronted the term megapixel when you first purchased your camera. While technically a megapixel is equal to 1,048,576 pixels, in reality, camera manufacturers round this number to 1,000,000 when stating how large an image the camera will capture. So, my camera, for example, is stated to capture 14.6 megapixel images which is around 14,600,000 pixels per image (14.6 x 1,000,000). This information tells you nothing about the actual pixel dimensions of the image – it only tells you the total number of pixels that comprise the image. My camera, like most dSLRs, captures images with an aspect ratio of 1.5.
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So the ratio comparing the number of pixels along the long edge of the image, to the short edge is 3:2. Each full size raw image is 4672 x 3104 pixels in dimension. So, by multiplying the number of pixels along the width by those of the height (4672 x 3104 = 14,501,888) we get the actual number of pixels in the image. You and I might call this 14.5 MP but the camera manufacturer rounds this up and calls it a 14.6 MP camera. You can check the width and height of an image using your photo editing software. In Photoshop, with the image open, choose File >File Info >Camera Data.
The image above shows this information dialogue box. Free Ex4 To Mq4 Decompiler Software Downloads. A pixel itself is a single picture element, and for our purposes it’s the smallest element that your photo can be divided into.