![]() Unfortunately, many people misinterpret the wording, expecting it to represent the mean time before failure or the minimum time before a shutter will show signs of failure. In this context, a ‘cycle’ extends from the time the shutter curtain opens until it returns to the closed position. The ‘tested for x cycles’ claim has been in use since the days of film SLRs and the leading manufacturers tend to use the same wording. Cameras at this level are also more likely to be traded-in and/or sold secondhand. ![]() However, it is almost always included in the marketing brochures (although not necessarily in the technical specifications list) for professional and high-end enthusiasts’ cameras, where the buyer might expect greater durability for the price they paid. We say ‘may’ because this information is rarely provided for entry-level cameras and only occasionally for mid-level models. When you’re shopping for a new camera you may come across a specification telling you the number of shutter actuations (or cycles) the camera’s shutter mechanism has been tested for. An explanation of what this specification means and how relevant it is for different photographers. ![]()
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