I have Panasonic 25mm 1.4, Olympus 45mm 1.8, and Olympus 12mm 2.0. If you want fast autofocus, it has to be Panasonic Leica 25mm f/1.4. Should be great to use for taking your baby.
For me, I have Panasonic 20mm f1.7 on my e-m5 most of the time because of its focal length and compactness.
Yeah I love the 20mm 1.7 for its size too. But I feel autofocus is slow. How would you compare 25mm vs 20mm autofocus? Is the difference noticeable? Because if not then I couldnt justify the jump from 20mm to 25mm which is more expensive. My main point of upgrading would be autofocus speed.
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