Mount the lens on a camera, then put the camera on a tripod. These patterned charts are easy to find online, and they can be stuck on a wall and used to quickly evaluate a lens. SharpnessĬheck the lens sharpness using a test chart. Open up the lens’s aperture to aid inspection. So how do you find out a camera’s shutter count?
#A7III SHUTTER COUNT PROFESSIONAL#
Higher-count cameras may have seen professional use (and a harder life), while lower counts indicate casual consumer use. If a camera has a very high count of 100,000 or more, it’s probably best avoided, especially because this number will also give you a little insight into the owner’s use of the camera. Fewer than 10,000 shots on a camera that is 2-5 years old is very low, with the normal amount being around 30,000-50,000. When browsing, low shutter counts often indicate less heavily-used items. Cameras are rated for shutter durability, with enthusiast models often rated around the 150,000-shot mark, and professional models rated at 300,000 shots or higher. Generally, the shutter count will give you a great indication of the amount of use a camera has seen, similar to checking the mileage on a car.
(The shutter count is also known as the number of shutter actuations.) The shutter count of a camera is simply the number of times the shutter has been fired in its lifetime. Cameras are complex machines, so there are a few key indicators to look for when shopping for a secondhand body.
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