In response to this progress, various types of film cameras were developed to accept differently-sized films such as 16 mm, 4 × 5 cm and 6 × 6 cm. Film rolls enabled cameras to record multiple photos on one roll by advancing the film one frame at a time. Starting from the silver plate, the photosensitive material evolved to the wet plate and then to the dry plate, and eventually film rolls were invented. The photosensitive material, on which captured images are recorded, has been continuously changing for over 170 years since the camera was born. Structure of camera obscura and pinhole cameras With these inventions, the age when the subject was portrayed by human hands came to an end, and the age of the camera, in which the captured image is recorded using photosensitive material, began. It is said that the oldest photo in Japan was taken with the daguerreotype camera. Then about 30 years later, Maddox invented the dry plate in Britain. In 1839 a Frenchman, Daguerre, invented the daguerreotype (silver-plate photography) camera.
This device was used as a drawing aid when artists made sketches of landscapes and drew portraits. Eventually, from the 16th century, it was developed into a device composed of a lens, dark box, and reflecting mirror. It used exactly the same mechanism as pinhole cameras. The camera obscura was an optical device that projects an upsidedown image of an object using the light coming into a dark room through a small hole. era when “camera obscura,” which means “dark room," was the ancestral device of the current camera. The history of camera images dates back to the B.C. Improved Profitability Due to Less Downtime.Improve Profitability Using Optimum Instruments.Improved Profitability Through Improved Introduction/Maintenance Efficiency.Improved Profitability Through Visualization and Early Upstream Action.Improved Profitability Through Labor Saving and Reliability.Improved Profitability Through Increased Production Takt/Equipment Takt.Selecting the Correct Tools for Inspection.Selecting the Correct Lens and Lighting.Appearance Inspection (Foreign Particles, Flaws, Defects).Presence Inspection (Quantity, Missing Parts).History of Machine Vision Camera Lens Lighting Factory Automation (FA) Traceability.Practical Knowledge Concept of Processing Speed Concept of Minimum Detectable Object Size Concept of Shutter Speed.
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