There is no ârightâ way to whiten teeth naturally with activated charcoal. Koreans put it in their toothpaste, Crunchy Betty swishes with it, and some people simply brush it on straight. Open a capsule of activated charcoal (about 1/8 teaspoon) and pour about half into a cup.
The rear-facing camera on Surface 3, Surface Pro 4, and Surface Book has an autofocus lens that can help improve the sharpness of your photos and videos. The lens automatically focuses on the main subject on the screen, but you can change the focus to a different area before taking a picture or while recording a video.
It also ships with Apple's new Live Photos feature, autofocus with Focus Pixels, burst mode, panorama, True Tone flash, timer mode, auto image stabilization, face detection and more. The front-facing FaceTime HD camera is 5-megapixels and includes face detection, burst mode and a Æ/2.2 aperture. The iSight camera is capable of shooting 4K video (3840 by 2160) at 30 fps, 1080p HD video at 30 fps or 60 fps and 720p HD video recording at 30 fps.