I have taken notice that in unwanted cameras, exceptional receptors help to maintain focus automatically. The actual sensors regarding some camcorders change in in the area of contrast, while others utilize a beam with infra-red (IR) light, specially in low lighting. Higher spec cameras sometimes use a mixture of both models and probably have Face Priority AF where the digicam can 'See' any face while keeping your focus only in that. Many thanks for sharing your notions on this website.
评论主题：广州中大改革研究生机制 博士生活津贴涨一倍（评论内容只代表网友观点）
