What does a DSLR shutter life rating really mean, and what happens when you reach it?
Asked 1/5/2011
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Nikon says cameras like the D3S/D3X have shutters "tested for 300,000 cycles." Some professional photographers may shoot very high volumes, so does that mean they need to replace an expensive camera body every couple of years? Why don’t DSLRs simply have much higher shutter-cycle ratings?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
15y ago
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No, it doesn't mean that people have to buy new cameras every few years (at least for the reason of failing camera shutters! ;-) ) Keep in mind that shutters can be completely replaced/refurbished for significantly less than the cost of an entirely new camera.
As is mentioned elsewhere, it's important also to remember that these numbers are simply statistical estimations of how long a shutter mechanism will last. It is possible that a shutter could fail at 100,000 cycles, or at 500,000 cycles. Nevertheless, when you consider the cost of a $250 repair that works out to between 0.0025 cents and 0.0005 cents per actuation depending on how many actuations you get out of your camera...
Originally by user2838. Source · Licensed CC BY-SA 4.0
user2838
15y ago
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Generated from our catalog & community — verify before relying on it.
A shutter-life figure like “tested for 300,000 cycles” is not a hard cutoff. It’s a reliability estimate, not a guarantee that the shutter will fail exactly at that number. Some shutters fail earlier, others last well beyond the rating.
For high-volume professionals, this usually does not mean replacing the whole camera body just because the shutter wears out. The shutter assembly can typically be replaced or refurbished for far less than the cost of a new camera, so it becomes part of normal operating cost.
Also, shooting 1,000 frames in a day is possible, but it’s an unusually heavy workload even for many pros. The people who do that regularly—such as sports shooters—often treat camera wear as part of doing business and may carry multiple bodies anyway for redundancy.
As for why ratings aren’t much higher: manufacturers balance durability, cost, size, weight, and performance. A higher-rated shutter is possible, but it may increase complexity or cost, and many users will never approach the published lifespan.
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