There's also a 7 - megapixel front - facing camera with auto image stabilization, Retina flash, and wide color capture. (macrumors.com)
The camera includes wide color capture, auto image stabilization, 1080p HD video recording, and Retina Flash that uses the display. (macrumors.com)
You will also find optical image stabilisation on the iPhone 6S Plus, which isn't available on the iPhone 6S, but it doesn't offer auto image stabilisation on the front like the iPhone 7 and 8 models. (pocket-lint.com)