Gear Talk > EOS Bodies - For Stills
Canon 1DX - AFMA reset when I turn off the camera (workaround found)
ThomasBx:
Hi !
Sorry, my english isn't very good ;)
I have a problem with Af MA on my 1DX.
I respects the manual procedure for the MA settings but if I turn off the camera and turn on, the settings are cleared, reset to 0...
For exemple, with the EF 16-35 f2.8L II, in the first setting, the LCD screen displays [00] EF 16-35, I adjust W and T, I "wrote" the serial number (because the camera doesn't recognize the serial number) and it's OK.
I turn off the camera and turn on (lens always mounted on the camera)
And, in the first setting Af MA menu, the W and T values are 0 !
If I go in the sub menu with the INFO touch, my camera displays [01] EF 16-35...
The problem is identical with my EF 24-105 f4 L, EF 50, EF 70-200 f2.8 II and EF 40 f2.8 STM.
I specified my lens are not old. Purchased this year.
The CR2025 battery seems to work because hour/minutes/day are OK.
I have also a 5D Mark III and the Af MA works perfectly.
I have 2 friends who have a 1Dx et they don'have problem with Af MA.
I wrote to CPS today, this morning. I'm waiting a response.
Do you have same problems on your 1Dx ?
Thanks a lot for your help.
From moderator: for workaround, see THIS POST.
Mt Spokane Photography:
All I can offer is to make sure you are saving the settings. I had that issue with my 5D MK III until I remembered to save them.
ThomasBx:
I don't see a "save function" for micro-adjustment...
I do the same procedure in my 5D3, I don't save anything with a save function. I go back to MENU and it's OK, the settings are saving.
In my 1DX, I also noticed that the standby camera after 1 minute, reset to 0 the Af MA, as when I turn off the camera. It's very very strange.
Nobody has found this problem on his camera ???
AlbertaCanonShooter:
I'm not having that problem, mine are staying as expected.
neuroanatomist:
--- Quote from: ThomasBx on July 17, 2012, 02:35:37 AM ---Nobody has found this problem on his camera?
--- End quote ---
Problems like this almost always amount to user error. Read the manual. :P
In fact, I'm having the same problem. I'm pretty confident in saying it's not user error. ::)
When When Adjust by Lens is selected, powering off then on resets the setting (or W/T settings for a zoom lens) to zero, and also clears out a manually entered lens serial number. If I set it to All by Same Amount, the setting entered is retained...but, powering off actually changes the setting to Adjust by Lens, which is zeroed out. Even setting it to Disable and power cycling results in it being set to Adjust by Lens.
The same reversions occur if the camera goes into standby mode - when it's woken up, the AFMA setting, regardless of where it was left, reverts to Adjust by Lens with the previously set value(s) zeroed out.
This occurs with several lenses (zooms and primes), and occurs in any mode (standard modes as well as the C1-C3 user settings).
I called Canon Tech Support, who had no information on the issue, but the tech rep indicated that he tried it on a 1D X and it didn't display that behavior.
I expect a forthcoming firmware update which, "Addresses an intermittent issue that..." I can't see how it can be anything but a firmware issue, and I would bet it's a bug triggered by other settings (e.g., people who enabled the C2 and C3 settings before applying AFMA see the problem, or some other odd combination.
Mine has Firmware Version 1.0.2 - I wonder if there are cameras with different firmware versions in the wild?
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