If you’re looking to take your photography to the next level, learning how to fisheye in Photoshop is a great way to start. This effect creates a 3D effect by making the image look upside down. To fisheye an image in Photoshop, first open the Image Editor and select the Fisheye tool. Next, drag the center of the image around so that it covers all of the canvas. Once you’ve done this, release the mouse button and watch as the image flips upside down.