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Update: Well there’s not really much to update – but this is a older post that continues to have lots of hits, so I thought I’d at least re-post it in case there are those of you who haven’t seen it since it was posted in 2009. I have written to the utility’s author to see if there’s anything new. Would love to find out he’s done a mac version since then, but you’d think he’d update the website if he had.

original post (Aug 4, 2009):

There’s always been a desire to know the count of exposures/shutter actuations for the Canon EOS 5D Mark II (as well as the original Canon 5D) and now, there is a utility from AstroJargon called EOSInfo that will give you the number of shutter actuations. AstroJargon has updated their earlier tool for the 40D and it now includes all cameras with the DIGIC III/IV processor (“The shutter count information is available *only* on Canon DIGIC III/IV DSLRs *except* the 1D* series.” read the whole page) as well as adding some features. This will be especially good for checking out the number of exposures someone else has had on a camera if they’re trying to sell it to you.


Redrock Micro

From the AstroJargon site:

“EOSInfo is the successor to the 40DShutterCount utility. I called it EOSInfo since it provides more information than just the shutter counter, and works on a wider variety of cameras than just the 40D*.

EOSInfo is for Windows only. At this time, I don’t have any plans for creating a Mac version, largely due to time constraints.

EOSInfo improves on the 40DShutterCount utility in a few ways:

  • It is packaged with an installer, so installation/removal is straightforward
  • It is installed with its own copies of the support .dlls from the Canon SDK, so future updates of the EOSUtility from Canon won’t hose EOSInfo – additionally, you don’t have to install the EOSUtility in order to use this.
  • It provides more information about the camera that might be handy, including firmware version, date/time, and owner/artist/copyright strings.
  • It doesn’t matter if your camera is on or connected when you fire up the utility – if you turn it on after you start EOSInfo, the utility will recognize the camera.
  • It will update the shutter count in real time if you shoot tethered (except for the 5DMkII – it still seems to require a power cycle to update the shutter counter value).”



Since I don’t do windows, I guess I’ll have to ask for someone out there to download it and check it out. Update 2011: I tried downloading the old tool and I get a failure notice – I don’t know if you can even download the old mac tool any more. I have written the author.

Read all about it on the astrojargon site!

Thanks as well to @LipsiArt on twitter for the tip!

(Photo credit: snap from the logo of astrojargon)

Zeiss Cinema Lenses