Conquer Your Mac Photos App: Edit Your Images Over-exposed image? No problem! Adjust the exposure in editing mode. Wish your photo could be black and white instead of color? Choose a filter and change the ambiance of your image. Does the main object of your picture seem lost among extraneous details? Use the cropping feature to focus your viewer’s eye on the most important part of the image. These examples are just a few of the many ways you can turn an average image into something special. Have fun editing your pictures with the many options in your Mac’s Photos app.