Tag: shutter

Stop and Exposition

Stop will help the photographer to achieve a correct exposure of the image, even in more complex lighting conditions. To understand better what the stop represents, it is necessary to understand first the elements that intervene in the realization of the photographic image. Simplifying to the extreme, the camera is not other than a tool that allows  the photographer to measure out the right quantity of light and send it off the photosensitive support (silver film or digital sensor).

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Digital Single-Lens Reflex Cameras

Digital Single-Lens Reflex Cameras are called digital cameras used as a mechanical mirror system and pentaprism to direct light from the lens to an optical viewfinder located at the back of camera. In fact, the pentaprism is five sided prism and allows the transmission of the image through a right angle without inverting. The basic operation of this camera is for viewing purposes. These are preferred by professionals because it has a perfect preview of framing near to the exposure. This camera allows the user to select from a variety of interchangeable lenses. It has also functions that allows accurate sample of depth field.  It has a larger sensor compared to other digital cameras. Their sensor is close in size to the usual film formats that professionals are using.

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Benefits of DSLR Cameras

The advantage of DSLR Camera is fast. It has a fast speed to capture photos with an automatic focus to catch the most exciting events with no delay. This camera is built on speed, because it has a device called shutter that is found in the front of the digital SLR sensor that block the light. When you are taking photo, the shutters opens and closes. This are the advantage compared to the compact camera. The sensor is automatically activated when you are taking a photo, for speed purposes. These cameras has different lens to suits your photo caption, like the wide angle lens. This lens is suited for landscape photos. The macro lens is for taking a photo for flowers, bugs and other insects that needs to focus on the near caption. When taking photo of your favorite pet, why not use a lens called telephoto. You can control the zoom in this type of camera for better results.

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