What Is a Document Camera?
Digital camera, full English name: Digital Still Camera (DSC), abbreviation: Digital Camera (DC), is the abbreviation of digital camera, also known as digital camera. Digital cameras are cameras that use electronic sensors to convert optical images into electronic data.
Digital camera
- Digital camera, full English name: Digital Still Camera (DSC), abbreviation: Digital Camera (DC), is the abbreviation of digital camera, also known as digital camera. Digital cameras are cameras that use electronic sensors to convert optical images into electronic data.
- Divided by purpose:
- Digital cameras are integrated products of optics, machinery and electronics. It integrates the components of image information conversion, storage and transmission, with digital access mode, interactive processing with computers and real-time shooting. Light through the lens or
- The history of digital cameras can be traced back to the 1940s and 1950s, invented by Bing Crosby Labs in 1951
- The digital audio and video storage formats are roughly as follows.
- AVI
- The audio and video format with the extension .AVI is one of the earliest popularized specifications. because
- UV lens
- Filters out excess UV rays in the air while protecting the lens. UV brand, for example; Bao Gu,
- AE lock
- AE is automatic exposure
- The national standard for digital cameras GB / T 29298-2012 "General Specification for Digital (Code) Cameras" was released on December 31, 2012, and implemented on June 1, 2013. Digital camera brands use corporate standards, and there are differences between corporate standards.
- 1.Lens selection
- Lens: Most friends do not change the lens frequently. Digital camera lenses are generally divided into optical zoom lenses and fixed focus lenses. For consumer digital cameras, the imaging quality of optical zoom lenses is much better than fixed lens. It is the opposite of SLR lenses, because in consumer digital cameras, the workmanship and materials of fixed focus lenses are generally not as good as optical zoom lenses.
- 2.Use selection
- Traveling, dating, hobbyists, professionals.
- 3. Price selection
- 1500RMB, you can buy a 4x optical zoom ultra-thin camera. It performed well during the snap shots-the subject wasn't always placed well, you know.
- 2000 to 2500 cash purchase camera, a very sweet, full-featured and small enough to fit into your jacket or jeans pocket. In this price range, the market is also flooded with multiple models.
- 4000 Dayang has more options to buy a camera. If you like to shoot birds flying across the sky and beasts running across the forest, or if you want to take a sneak shot of the opposite beauty, you can choose a camera with a built-in lens and a large focal length.
- 7,000 RMB must not be taking pictures, but enjoying the process.