Terminology-camera-lens

Although many parts of the digital camera, it is important, the objective is the most important thing. Without a quality goal, the pictures have no chance, clear and sharp. However, it may be difficult, the exact differences in the lenses, without some of the camera lens to decrypt terminology.

When shopping for a camera, be sure to get the type of lens for your situation to choose well learn the terminology of the main lens of the camera work.

• Zoom. Zoom is the magnification of the image, so that the photographer, a "Close-Up" to take pictures without approaching the subject.
• Optical zoom Optical zoom. Extension is an image with the material inside the lens, change the focal length. The optical zoom is the preferred method of zoom, and which do not adversely affect the image sharpness.
• The digital zoom digital zoom. Is the kind of zoom-zoom camera software back. Since the digital zoom is to increase the size of the pixels, digital zoom can sometimes negatively affect the image sharpness. When buying a camera, do not focus on the digital zoom, like most photographers can play most aspects of digital zoom with post-production software.
• Interchangeable lenses. Rental, DSLRs can use interchangeable lenses, such as different lenses offer different capabilities. With many interchangeable lens DSLR image stabilization is built into the lens, so the camera movement and a better image quality.
• Focal length. Focal length is a measure of the distance between the center of the lens to the focal point (the image sensor is a digital camera). Most digital camera lens expressing the area of the lens in a measurement of the focal length of 28mm 105mm. Measurement of the focal length measurement with greater accuracy and zoom wide angle for measuring the optical zoom lens.
• LCD panel. (LCD) in the back of a digital camera can be used for the design of an image as a finder. Note, however, that employees rarely LCD 100% of the image that the camera display is activated. LCD cover can sometimes be 95% or more, and the percentage is sometimes indicated in the specifications of the camera. Normally it corresponds exactly to the vision of the lens.
• Optical viewfinder. Viewfinder offers a preview of a non digital terrain, the image of the photographer is ready to shoot. With low-end point and shoot cameras is the viewfinder at the optical lens - instead, usually above the target - that is, you probably will not roll exactly match the image of the lens. High-end DSLRs optics lens optical viewfinder bind, making a perfect view of the image below.
• Electronic viewfinder (EVF). 'S EVF in a digital camera is a small LCD screen that gives the photographer the opportunity to compose the shot. The EVF is a digital representation of the image. With regard to the imitation of the accuracy of the final image, the display accuracy of the LCD approach.