Đang chuẩn bị liên kết để tải về tài liệu:
Adobe Photoshop CS2 Photographers’ Guide phần 9

và các biểu đồ kênh màu xanh dàn trận ở phía dưới. Ở giữa là một số readouts thông tin mà tôi sẽ giải thích ngay. Bạn cũng có thể chọn một mở rộng đối với từng mức độ sáng. Một biểu đồ biểu đồ thường trông giống như một đường cong với một hoặc nhiều dốc và đỉnh núi, tùy thuộc vào có bao nhiêu tông màu nổi bật, midtone, và bóng tối đang hiện diện trong hình ảnh. | This page intentionally left blank 9 Hardcopies Made Easy In the 1970s futurists were predicting the paperless office with all documents created and managed using computers and electronics. We were all going to read books on our computers or more recently laptops or PDAs. That hasn t happened. In these days of e-mail and electronic funds transfer we may send fewer letters and never see our cancelled checks if we even write checks in the first place but paper documents continue to be used in growing numbers. After all paper is the one form of information exchange that doesn t require some sort of special gadget to read it. In the 1980s it was prognosticated that images would suffer a similar demise. New electronic cameras that were emerging a quarter-century ago like the Sony Mavica and electronic viewing systems would displace hard-copy prints of pictures at lower cost and with greater convenience. That hasn t happened either. Certainly film is on its way out but prints live on. Only the origination medium has changed. The photographic print has a long and glorious history in photography. The earliest daguerreotypes and tintypes were very print-like even though they were made of thin sheets of metal They were positive images viewed by reflective light that could be displayed in frames or passed around for viewing. Later paper prints grew beyond the original fuzzy efforts of William Fox Talbot to fully detailed copies made from film or glass plate negative originals becoming the standard destination for photographic images. 294 Adobe Photoshop CS2 Photographers Guide Prints are what we think of when our mind s eye pictures a photograph. Even photos originally captured and viewed as transparencies on a light box or with a slide projector frequently end up as reflective hard copies. Conventional photographers creating images with 120-format and larger transparency film or 35mm color slides make prints of their work. Digital photographers may capture