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"New" ID IV Live View Magnification Problem

New Contributor

My "backup" 1D IV became my wife's camera, and the shutter finally crapped out yesterday.  B&H got us a "new" one today!  After updating the firmware, I deleted all the old settings and set it up just like my old one.  My wife has terrible vision, so she uses Live View, with magnification, often.  I CAN'T GET THE "NEW" ONE TO MAGNIFY LIVE VIEW!  I know Live View magnification doesn't work with Facial Recognition EF; that is NOT on.  The magnification works fine when reviewing images, just not during Live View, so I figure it can't be a bad button.  As far as I can tell, the 2 bodies are set up exactly the same *except for the Firmware Version*.  I hadn't updated the Firmware in the old body since 1.1.1 came out; the new body has 1.1.5   I can't imagine that a firmware update would kill the capability, but other than that, I'm afraid it may be a hardware problem.  I tried looking for 1.1.1 on line, but I'm getting a message that it's not available for my OS (Win 10).  I could break out the old laptop w/ Win8 and look. . . . I was going to call or chat w/ B&H, but they're closed until Sunday.  Do they offer that type of support?  Anybody here have any ideas?
Thanks in advance.


I don't know if it is possible to downgrade FW, and I also suspect it is not your problem, but here is a link to 1.1.1.!ApNpngg2Z6dbhIkNy5ygggR-k0KyTw?e=4rUFCm

John Hoffman
Conway, NH

1D X Mark III, Many lenses, Pixma PRO-100, MX472, LR Classic

New Contributor
Thank you, John.