iSight is the name Apple uses for the rear-facing cameras on the iPhone, iPod touch, and iPad. Currently, the most advanced iSight camera is the one on the iPhone 5s. It includes a bigger sensor with 1.5 micron pixels and an f/2.2 aperture. It's also includes an intelligent burst mode, a dual LED with white and amber elements, electronic image stabilization to reduce blur, and slow mo mode lets you record 720p video at a silky smooth 120fps.
Apple Watch Series 3 is down to just $179 at Amazon