Lenses Printing Knowledge
Lenses

Standard lens configurations include:

  • Consumer level (point and shoot) camera: fixed lens.
  • Semi-professional level camera: adjustable lens and iris.
  • Professional level camera: multiple lenses and interchangeable lenses.

Standard single lenses provided with the digital camera provide a focal length range taht could be any designated length from 35mm to 65mm with a standard digital camera being equipped with a 50mm lens. The focal distance of the lens can range from a minimum distance of less than 10" away from the subject to a maximum distance of infinity.

Some cameras are designed with a telephoto lens as standard equipment enabling the image to be focused and shot in a range from 37mm to over 100mm. Non-digital cameras always provide focal lengths in a range such as 37mm to 105mm. Digital cameras provide focal length in multiples such as 3X or 4X. Therefore, a zoom lens on a digital camera may be expressed as 50mm with a 3X zoom. This is equivalent to a non-digital zoom lens with a focal length of 50mm to 150mm.

If the camera work involves the need to have different sets of lenses, it will be important to consider a camera with interchangeable lenses, which may be available, would be telephoto or zoom (i.e., 35mm to 105mm), wide angle (coverage from 24mm to 60mm), super wide angle, and fish-eye or macro.

 


 

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