Optics is a design tool for zooming into photos and getting color values, distance measurements, and precision cropping.

Color Picker
- get RGB, HSL, or HSB values of individual pixels
- zoom into the photo for full detail
- loupe available for fast precision

Rectangle Selection & Crop Tool
- crop your photo to any size, down to the pixel
- precisely measure dimensions
- for flat images, remove the background to isolate the foreground element, with nicely anti-aliased borders. Note: the "remove background" feature only works with images with a flat background, and not photo-like images.

Rulers
- see the x and y locations of every measurement