digitalcamera39sandwebcams(參考版)
2024-10-03 21:43本頁面
【正文】 (.2 m – m) (Olympus Stylus 300) ? RedEye Reduction ? Automatic Mode Flash cont’d ? Fill mode – flashes even in bright conditions Lenses ? Focal Length – as used on 35 mm cameras (50 mm’s are usual, 35 mm are wide angle, 65 mm are telephoto) Lenses cont’d ? Olympus Stylus 300 Lens Olympus aspherical glass 3x zoom lens – (35 – 105mm equivalent in 35mm photography), 5 lenses in 3 groups ? Interchangeable with 35mm? – depends… ? Optical Zoom is superior to Digital Zoom ? Glass is better than plastic Lenses Aperture ? The larger the Aperture, the less light required ? The Stylus has an aperture range of ? would let more light in, can be used in darker conditions Automatic Settings ? It take the digital camera some time to calculate focus, colour balance, shutter speed, F settings ? Remember this when taking the picture ? Moveable focus Automatic Setting Cont’d ? Different lighting gives different results ? Incandescent – gives warm tones Automatic Settings – cont’d ? Fluorescent washes out colours Automatic Settings ? Underwater pictures rapidly loose the Reds and Yellows the deeper you go the longer wave length light gets absorbed (warm colours). ? Require additional lighting to fill in. Filters can also work (Red for example). Batteries ? Lithium Ion – Best, most expensive, fast charging, no memory – last 23 years ? NiMh – Nickel Metal Hydride – good value, 400 charges ? NiCad – not usual for digital cameras ? Sizes – proprietary or available off the shelf? Batteries rating Batteries are rated by voltage and milliamp hours (mAH). Most AAsized NiMH batteries are rated up to 2100 mAH. A 2100 mAH battery can deliver 2,100 milliamps (mA) for one hour (H). Generally speaking, the higher the rating, the more pictures you can take. Batteries cont’d ? Storage – cool dry place when not in use ? Travelling – get them charged first – you may have to demonstrate your equipment at security ? Europe/Asia – 220 Volt – need a converter/inverter? Other Features ? Panorama Mode – ability to link pictures together to create a seamless image: Up to 10 frames stitchable with CAMEDIA Master software when using Olympus brand xDPicture Car
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號-1