On the Snapchat Lens Studio, you can find thousands of filters, stickers, and lenses made by innovative Snapchat users. When you open the lens studio, you will see a carousel full of lenses, some of the lenses are specially chosen by Snapchat itself. Then you have to scroll down the page to find the list of trending lenses. You can scan any of these snapcodes to save them to your Snapchat app