Thankfully most people never get anywhere near the shutter life of their cameras unless they are professionals, but the fact is that a shutter replacement is often more expensive than the value of the camera, so a broken shutter mechanism might really be the end. You might even want to verify that a second-hand seller is being truthful about a camera you are hoping to buy, or you might want the details of your own camera so that you can start planning for a potential failure if it’s coming towards the estimated length of life.

It’s easy for second-hand sellers to say “hardly used” on the sales ad, so it’s preferable to get some concrete numbers on that. Canon provides estimates of the shutter life of all their cameras, so it’s useful to know if a potential purchase is on its last legs, or has plenty of life left in it yet. If you’re going to sell a used camera, most potential buyers are going to want to know what the shutter count is on the camera they are buying. Why Might You Want to Know Your Shutter Count? I make no affiliate commission on this app, and Sorry PC folks, this one is Mac only. When I did a quick search, I discovered that a new piece of software, ShutterCheck (previously called EOS Inspector), had just launched a couple of days earlier for the introductory price of $2.99 so I decided to purchase it and do a quick review. Off the top of my head I didn’t know a specific answer, but I was aware that Canon makes it tricky and it would most likely involve using some third-party software. I had an email come in from a reader asking if I knew how to find out the shutter count for a Canon 5D Mark III.

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