Common skin warts (also called cutaneous warts) are raised round or oval growths. A wart may be lighter or darker than the skin around it. Some warts may have tiny black dots in them, often called seeds. The dots are small, clotted blood vessels. Warts may occur alone or in larger groups that merge and form patches.
According to Canon (link):  Canon addressed the âfeedback loopâ in later model IS lenses by introducing an algorithm to the IS detection system to automatically recognise when the lens is mounted to a tripod.
Canon PowerShot G16 review â Features. Inside the Canon PowerShot G16 is a 12.1-million-pixel, 1/1.7in (7.6Ã5.7mm) CMOS sensor, which features the HS System. This is Canonâs back-illumination architecture, which is claimed to lower noise levels by up to 60% at all ISO speeds, and is used in many of the companyâs compact-camera range.