Tag Archives: 1DX

How To Change or Remove the Canon EOS 1D-X Clock / Backup Battery

You know about the big battery in your Canon 1D-X, but did you know all modern cameras also have a small watch battery that keeps the clock and other settings  while the main battery is removed?

While it typically would take many years, sometimes this battery goes dead, causing your camera to lose all its settings while the main battery is out and charging.  Or perhaps you’ve had some kind of technical issue with your camera for which doing a full factory reset would be useful.

** WARNING: IF IT’S NOT ALREADY OBVIOUS, DOING THIS WILL COMPLETELY ELIMINATE ALL CUSTOMIZATIONS AND SETTINGS FROM YOUR CAMERA.  USE THE 1DX’S ABILITY TO BACK THEM UP TO A FILE BEFORE PERFORMING THIS OPERATION. FOLLOW THESE INSTRUCTIONS AT YOUR OWN RISK. **

Edit to above warning – So that’s not true.  Previous 1D series cameras will lose all settings, but the 1D-X stores many of the settings in flash memory, so they persist even after pulling the backup battery.  To reset back to factory, you’ll also need to visit two menus.  The first is the yellow Wrench menu, page 4, then select “Clear all camera settings.”  This poorly named menu item clears some camera settings.  The next place to visit is the orange Camera menu page 7, and select “Clear all Custom Func.”  These two menu items plus removing the backup battery will put the camera back to factory.

Here are the steps to remove your 1D-X’s backup battery.  The only tool you’ll need is a PH00 or Philips-head 00 size screwdriver.  If you need to replace the battery, look for a 3V CR2025.

The first step to replacing the backup / clock battery in the Canon 1D-X, is to remove the main battery.
The first step to replacing the backup / clock battery in the Canon 1D-X, is to remove the main battery.
The first step to replacing the backup / clock battery in the Canon 1D-X, is to remove the main battery.
Turn the camera upside down.

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AEB (Auto Exposure Bracketing) On the Canon 1D-X

If you’re familiar with the menu system on the Canon 5d mark III, you may know that on page two of the red section there’s a menu item called “Expo.comp./AEB.”  Using that menu, one can make changes to and enable/disable the way the camera exposure brackets.

Coming from that system, I was very puzzled attempting to enable auto exposure bracketing on Canon’s 1D-X.  Other than features that the 1D-X has over the 5d mk III, most of the menus are the same between the two cameras.  And yet the 1D-X is lacking that menu item entirely.  It turns out Canon implemented shortcuts via the hardware buttons on the 1D-X, and eliminated menu-digging.  It’s a very nice feature, but it’s not exactly self-explanatory.  Here’s how you get it working….
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Canon 200mm f2 L IS USM Test

Day 1

Canon CPS was kind enough to send me a loaner 200mm f2 L IS USM, and I just came back from using it on a shoot.  Unfortunately for my bank account, I think I’m in love.

I photograph people.  90% of my work is weddings, and the remaining 10% is wedding-related (engagement sessions and the like.)  I already own the 70-200 f2.8 L IS USM mk II.  Both are excellent lenses, but since I work primarily on primes I’m spoiled in the IQ department.  (IQ = image quality.  I heard you snerking!)  That coupled with the fact that some most churches simply have terrible lighting has always kept me curious about the 200mm f2.

It’s hard to imagine a lens that delivers better IQ than Canon’s 85mm f1.2 L mk II, but this just might be it.  Glowing skin tones, wicked sharp, and perfectly controlled CA all wide open at f2 – this lens is sexier than Marilyn Monroe on a steaming manhole cover.

Yup, it’s big.  Without hoods, the length is only slightly longer than the 70-200 f2.8, but the girth of the 200mm prime… well that’s something else entirely.  It makes the 70-200 look like a scrawny little pencil.

Photo showing size difference between the Canon 70-200 f2.8 L IS USM mk I, 70-200 L IS USM mk II, and 200mm f2 L IS USM
Left to right: Canon 70-200 f2.8 L IS USM mk I, Canon 70-200 f2.8 L IS USM mk II, and Canon 200mm f2 L IS USM.

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