Should I use the Viewfinder on my Digital Camera?

  For the entire camera system, the sensor may act like its heart, and the lens looks more like the camera's eyes. The only way for the camera's "eyes" and "hearts" to communicate with us is through the camera's wide range of camera viewfinder. These camera viewfinder for composition and shooting, are based on the structural characteristics of the camera developed, but also because of their different framing methods have different advantages and characteristics, so by different photographers choice and love.

  At present, the main camera viewfinder is divided into two categories: the optical camera viewfinder and the electronic camera viewfinder, and the optical camera viewfinder has the paraxial camera viewfinder, the lumbar plane camera viewfinder and the single-lens reflector camera viewfinder. Although these camera viewfinder range and vary, but you really understand them?

  2.5x ViewFinder SK-VF01N
  Sevenoak SK-VF01 is a 2.5x viewfinder designed for most SLR cameras with 3” LCD screens. It features with 2.5x focusable magnification, an optical designed lens, an anti-fog protective cover, an eyecup preventing light leakage, a 40mm diameter diopter etc. It was connected to the camera via a Baseplate using 1/4 screw. SK-VF01 offers an adjustable diopter that enlarges the LCD image by a factor of 2.5.

sevenoak camera viewfinder

  Optical camera viewfinder
  The earliest optical camera viewfinder is based on the head-up camera viewfinder, the disadvantage of this approach is that in addition to the composition of the picture can not view the real-time effects. And after the camera viewfinder is based on its development and improvement.

  In fact, a camera system called the Newton camera viewfinder was used on earlier cameras, consisting of a negative lens (also known as a concave lens) and a frame. In the early 20th century, people added a positive lens or an equivalent positive lens to the eyepiece on the basis of the Newton camera viewfinder, thus forming the inverse Galileo camera viewfinder. The reason why it is called the inverse Galileo camera viewfinder is that it is the prototype of the paraxial camera viewfinder that people can see when they use the Galilean telescope in reverse.

  By the 1950s, the paraxial camera had developed into a huge product system. Among them, a series of paraxial cameras, represented by the Leica and Zeiss two giants, represented by the Leica III and the Contante III Compared with the "toy camera" of Mr. Barna in 1913, the paraxial camera has successfully integrated the linkage ranging system into the camera's viewfinder system and basically laid the structural foundation for the next generation paraxial camera.

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