Lenses For Photography


The main device involving photography is called a camera . Here we refer to different types of cameras and a brief description of them :

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Single Lens Reflex


Single Lens Reflex is also known as "SLR" . It has one lens which is for viewing and creating the photo. A camera which includes more features that offer full manual control on an focus. There is another feature which able the camera with interchangeable lenses. This kind of camera is usually used by professional photographers.








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Twin Lens Reflex


Twin Lens Reflex contains two fixed lenses which both have the same focal lenght. One mounted on the other and another one(lower) focuses its image on the film. The image on the film plane will be sharp. This type of camera (Double-lens) has been developed in 1870. One of disadvantages to be mentioned is that twin lens reflex is associated with zooming feature.















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Single Use Camera


Single Use Camera  is also known as the simplest type of camera. It has fixed-focus lens and a single shutter speed. In order to get the film of this kind, the whole camera has to be taken to photo finisher. It is a recyclable camera and are not  appropriate for serious purposes. Mostly used for taking simple pictures during vacations.





Compact Lens-Shutter Cameras

Compact Lens-Shutter Cameras has three derivation : Single focal length, dual focal length and zoom. Some of them has ficed focus means that means at a point it produces sharp images. Some of them contain feautures like red eye reduction and extra automatic modes. Mostly used by serious purposes since the professionals usually choose to have more control on their work.








Bridge Cameras


Bridge Cameras are classified as more complicated series. The word "bridge" refers to the connection between the "point" and "shoot". A feauture that can be mentioned for Bridge Cameras is red-eye reducing flash.






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Rangefinders Camera

Rangefinders are also known as "Compact, lightweight Cameras" . They have interchangable lenses as well as Single Lense Reflex cameras. Some cons to be mentioned are that Rangefinder camera is limited in focal length(between 21mm up to 135nn only). This cameras is classified as an expensive camera and usually used for professional photography.






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