digitalcamera39sandwebcams

digitalcamera39sandwebcams内容摘要：

ive control. • $1000 $2020 for amateur and professional photographers. These cameras have 612 million pixels and many are based on 35mm designs and interchangeable lenses. These cameras have the highest resolution, most features, and highest prices. Camera’s – Digital Movie • With the latest digital video cameras, you don39。 t have to digitize frames because they are captured in a digital format. But • Some digital still cameras are capable of capturing short video sequences and some digital video cameras can also capture still images. • Resolution is higher with digital cameras Camera’s Cont’d Cell Phones, Watches Sensors • Two flavours, CCD (Charge Couple Device ) and CMOS (Complementary MetalOxide Semiconductor) This photo shows the pixels on an image sensor greatly enlarged. Courtesy of IBM. Sensors cont’d • The Canon EOS 10D is a highend digital SLR from a major manufacturer that uses a CMOS image sensor. The Canon EOS 1Ds, used by professionals, also uses a CMOS sensor and has million pixels. Courtesy of Canon. Image Storage • Fixed – limited size, limited amount of pictures • Removable – lots of flavours: some are specific to your camera – Olympus xD – allows panoramic pictures Compact Flash CompactFlash cards and slots that are mm thick are called CompactFlash (abbreviated CF) or CompactFlash Type I (CFI). CompactFlash cards and slots that are 5mm thick are called CompactFlash Type II (CFII). Image Storage cont’d • Sony memory sticks shaped something like a stick of gum, are currently used mainly in Sony products. Image Storage Cont’d • So how many pictures can I store? • Well, that depends… • Image format (JPEG, TIFF), Image Size (1800x1200 or 640x480) and Flash Card size. (Ex Olympus 128meg’s – 160 full size jpeg images). Image Storage • Stylus 300 • Number of Storable PhotosWith 16MB xDPicture Card: SHQ, HQ: 2048 x 1536: 6, 20 shots SQ1: 1600 x 1200: 24 shots SQ2: 1280 x 960: 38 shots SQ2: 1024 x 768: 58 shots SQ2: 640 x 480: 99 shots HQ Movie: 320 x 240 15 fps: 16 sec. max per movie SQ Movie: 160 x 120 15 fps: 40 sec. max per movie Image Storage Etc • HP integrates their printers with the。