Four-thirds lenses on a MFT camera?
If your 14-54 is the newer mk II version, it actually performs pretty admirably on Micro Four Thirds cameras. In my experience, it actually focuses faster across a broader range of light conditions on my GH2 than it did on my E-520 (only in bright, midday daylight did the E-520 focus this lens faster, and frankly that's a light condition that I avoid shooting in). It won't compare with the lens that comes with your GH2 in terms of focusing speed and quietness though.
The 11-22 is a slowpoke, but focuses accurately. This should also be the case for the 50mm f/2.0 macro, and the older 14-54. The 50-200 is another question of the model: The older model which you mentioned is the one that's more CDAF-friendly in this case, so you're lucky there. The newer SWD model is going to be more prone to not locking accurate focus.
- Fujifilm X-T223.6%
- Nikon D50025.4%
- Nikon AF-S 105mm F1.4E8.2%
- Olympus M.Zuiko 12-100mm F47.5%
- Panasonic Lumix DMC-G857.2%
- Sigma 85mm F1.4 Art6.7%
- Sigma 50-100mm F1.8 Art5.1%
- Sony a63006.4%
- Sony Cyber-shot RX10 III3.7%
- Sony Cyber-shot RX100 V6.3%
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