Smartphone cameras vary between manufacturers. You should be able to find the ratio in your camera's Settings menu. Your camera may also allow you to select from more than one ratio. Most modern digital cameras use either a 3:2 ratio for SLR cameras, or a 4:3 ratio for point-and-shoot types. The first step will be to find out the aspect ratio of your camera. We're going to be using an imaginary 12 megapixel digital SLR for the purposes of demonstration.ġ. From there it's a fairly simple process to calculate the width and height of your camera's resulting images. If you're working with a digital camera, chances are you know what the megapixel count is. Each individual point is only a single color, but placed together they can be used to form images. This is exactly how pixels work in a digital image. Individually each card is simply a square piece of color, but when everyone in the stadium holds up their cards, together they form an image. Let's start with a basic definition: What is a pixel? Pixels are individual points of color in a digital image.Ĭompare to the crowd at a sports stadium, each with a different colored card. If you are using a digital camera and/or your images are intended primarily for print, this article will help you to understand the relationship between megapixels, resolution, and image size.
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