I rented the new Canon T4i with the 40mm STM (STepper Motor) pancake today for a side-by-side comparison with an unhacked Panasonic GH2. I will shoot the comparison over the next few days, with the emphasis on the T4i's new video friendly features (autofocus in video mode, silent lenses, touch screen rack focus). If there's anything else you'd like to see - please let me know in the comments section - I'll incorporate it in the shoot if I have time (it's a 3 day rental).
First impressions: After selling the T2i and shooting with the GH2 for a year and a half, I'd forgotten how big the mirror-box camera are. Even with the pancake lens, the T4i seems heavy and bulky compared to the GH. And I'd also forgotten how annoying it is not to have auto-switching between the viewfinder and the LCD - and to lose the viewfinder when I want to shoot video (grrr).
That said, I'd also forgotten how nice the Canon menus and interface are. I haven't used the T4i's touchscreen for video yet, but I have used it to set the date and time - and it is a lot more responsive than the GH2's touchscreen.
This is going to be a great shootout!
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