How do I crop to a specific ratio?

- Let's talk about sizing an image.…One of the questions I hear most often…is how do I crop to a specific ratio?…For example, maybe you need to put this…into a slide presentation,…or you're getting ready to drop it into a video…that's 16 by nine,…or a printed frame that's five by seven,…or one by one square image for something like instagram.…Well, let me show you.…Select an image that you'd like to work with.…Double-click to open it,…and go the Develop module.…You'll notice a tool right up here at the top.…

This is cropping.…When you click, you'll see the crop overlay.…Immediately below are controls for the tool.…You'll notice that the default is the original ratio.…This will force you to crop using the original shape…of the photo.…If you click the lock icon, now you can go…with any shape that you want, but ultimately,…you're likely going to want to stick with the preset.…You'll see here that you can choose sizes.…For example, a four by five,…which also equates to an eight by 10.…

As you start to crop, you'll notice that it constrains,…