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【Concept】 A conventional light-tight camera box, which is a camera. The camera is taken with photographic film scene down anti-photographic equipment ========================= 【History term】 Film camera is a type of modern cameras, and the principle of all of today's digital cameras, are derived from a film camera. So, since when it comes to film cameras, of course we have to first look at the history of the camera. 1. Camera referred to as the camera is an optical imaging principles form the image and use the negative image recording equipment utilization. Many devices can record images with a camera feature. Medical imaging equipment, astronomical observation equipment. 2. In 2000 years ago, Mo pinhole imaging already written records "Mojing"; the 13th century, in Europe there has been made use of pinhole imaging principle obscura images, black-box people into viewing images or draw scene. 3.1550 Italy's Cardano lenticular lens pinhole placed in the original position, the effect of the image is more bright and clear than the camera obscura.
4.1558 Italy coupled with the aperture of Barbaro on Cardano's device, so that greatly improved image clarity. 5.1665 German monk John chapter designed to do a small, portable single-lens reflex camera obscura images, because there was no photographic materials, can only be used in painting. 6.1822 Niepce in France in the photosensitive material out of the world's first picture, but the image is not very clear, but need eight hours of exposure. 7. August 19, 1839 French painter Louis Daguerre invented the world's first real camera, portable wooden box camera. 8. 1841 Optical home Wogelande invented the first all-metal body of the camera. 9.1845 German Von Martens invented the world's first 150 ° pan can turn. 10.1849 year David Bruce Sterling invented the stereo camera and dual-lens stereoscopic film viewing mirror. 11.1861 years physicist James Maxwell invented the world's first color photographs. 12.1866 German chemist Otto Schott and Carl Zeiss optics home Zeiss invented Masamitsu photographic lens. 13.1888 US Kodak produce a new type of light-sensitive material "film." In the same year, Kodak produced the world's first portable camera film installation. 14.1906 Americans George Silas the first use of the flash. On November 26 15.1948 American Polaroid (Polaroid) launched the world's first real-time imaging camera Polaroid 95 =========================
【Term Category】 Monocular camera / binocular camera
--------------- [SLR] Is to understand the use of photography professionals, professional part monocular camera, you need to know some photography skills, but this part is not two or three pages can be said to understand. --------------- [Binocular camera] Most just shoot camera, for the general consumer public, as long as the eyes and camera mounted understand negatives, put the battery, press the shutter will be able to shoot down the photo, as well as beat out quality is not good, on the side to see the quality of the camera on the set, so the traditional shoot cameras in the use of relatively simple, whether it is children and senior citizens can easily get started! =========================
【Term imaging process】 Traditional cameras using silver halide photographic material (ie film) as a carrier film after shooting photos to go through to get flushed, during the shoot shooting can not know good or bad, but also not to shoot pictures for deletion. ------------------ 1. [Imaging and focus adjustment] The lens assembly in turn by a lens, a shutter, a lens group 1, group 2 lens composition and backsheet. Recorded image is projected along this road on the film optical imaging. The focus adjustment system components and shutter system is composed of a lens group and the electronic shutter constituted two are connected together. Driven by the motor, the lens group 1 and the shutter can be moved back and forth, adjusting focus, to obtain the sharpest image from shutter to control the exposure time. ------------------ 2, [image acquisition] Film cameras using silver (mainly silver bromide AgBr) photosensitive material attached to the plastic sheet (ie film) as a carrier film after shooting to go through to get flushed photos during the shoot shooting can not know good or bad, but can not take a picture to delete. ------------------
3. Image on the sheet by light changes the photosensitive agent by the developing solution and fixing, and the scene is formed opposite or complementary colors Specific procedures: Scene reflected light is converged through the lens, should be on the film to form a latent image, the latent image is generated on the light and the emulsion film result of a chemical reaction. Then after developing and fixing process on the formation of the image. ======================== 【Storage medium term】 In the chemical method for recording on a silver halide film. This article may not see the light, otherwise the exposure will be white and then rinse. ========================
【Input Output Terms】 Traditional camera images in the darkroom must rinse, in order to be processed through the scanner, and the scanned image after quality will be affected scanner accuracy. ========================
【Term film and digital】 ------------------ 1. The digital camera storage media sensor, and the current average digital SLR sensor APS-C format, that is, at full frame of about two Dangqu each end, an aspect ratio of 3: 2 (23.4 * 15.6), in 135 film with the proportion of high-end digital SLR section can be done full-frame, which is the same format 135 film. ------------------ 2. Due to technical limitations, digital imaging camera can not do high texture film camera imaging and a sense of high-level Imaging latitude ordinary digital camera about three layers of high-end digital SLR tolerance of up to 5 layer to layer 7 Tolerance ordinary color film in about 5 layers of black and white film can even reach latitude 7-9 layers From the terms of the image quality, digital cameras and not enough to be comparable with the film camera. ------------------ 3. Rinse the film often need to go through a two-step increase scanning accuracy and detail of the scanned picture of a great relationship, advanced scanner can sweep out about 1200W pixels (35mm film), but this is not an issue digital SLR , pixel accuracy is often fixed. ========================
【Article is excerpted from: Web Search】 【Reserved Integrate / Just Reference】 【Translation is by The Network】 |
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