As mentioned above, the ability to change lenses to suit your needs. With P&S cameras, it can be rather long by comparison. When the photographer composes and focuses the shot, the mirror reflects the image the lens produces up into the viewfinder. This leads to the best quality image you can from digital camera. SLRs configuration uses single lens that serves two roles. Sensor Size All digital SLRs have relatively large sensors physical dimensions, not pixel count when compared to P&S cameras. The main reason for the increase in image quality is that noise is less of problem on larger sensors.

Sensor Size All digital SLRs have relatively large sensors physical dimensions, not pixel count when compared to P&S cameras. Shutter Lag This is the time lag between the moment one presses the shutter and the moment the camera actually takes the photo. When the photographer composes and focuses the shot, the mirror reflects the image the lens produces up into the viewfinder. When the photo is taken the mirror is lifted out of the way so the shutter can expose the sensor.

Ultimately, P&S camera with larger pixel count than an SLR will not produce as good an image as the SLR, from an overall point of view. To be fair, there are disadvantages to dSLR cameras. There are other factors that are usually ignored but should not be, Ive outlined few below. For the sake of clarity and ease, will refrain from any discussion on film in this article. You are able to see what the sensor will see through your viewfinder. JPG captures, by comparison, all are processed, to some extent, in camera and are compressed.

With SLR cameras this lag is basically nonexistent. This is actually very good because it gives you brighter and clearer display than any electronic viewfinder can ever give you. In general, DSLRs have greater dynamic range than do P&S cameras. This allows you to use purpose built lenses if youd like. Another benefit of larger sensors is that shallow depths of field are more attainable. Even if the P&S cameras have separate viewfinder they are significantly smaller than the SLR and do not display any shooting data, typically.

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