4/3 Lenses on M43
I must be overlooking something when I think that 43 lenses should work no worse on an M43 body like the OM-D than they worked on a 43 body.
I.e they may not work as fast on the OM-D as the newer lenses optimized for the OM-D such as the 12-50mm, but I see no reason they should focus worse than they did on a 43 body like a 510 or a 620.
They work no worse than the lenses don on a Four Thirds body in live view mode . The E-P1, for example, is basically an E620 stuck in live view mode all the time.
If you have an E620, you know that this is... suboptimal.
There are a handful of Oly 4/3 lenses that were "optimized for live view" at the time of release. These include probably most usefully the 14-54mm f/2.8-3.5 mk ii and the Oly 70-300mm in addition to a couple of others. These lenses do "OK" on current M4/3 bodies, but they're still not as fast as PDAF on a DSLR.
Everything not CDAF enabled - especially SWD lenses - will be woefully slow.
- Canon EOS M58.8%
- Panasonic G85/G803.3%
- Panasonic FZ2500/FZ20001.9%
- Panasonic LX10/LX151.2%
- Panasonic GH5 development3.6%
- Sony a99 II15.9%
- Nikon KeyMission 170 and 801.0%
- Fujifilm GFX 50S development28.3%
- Olympus E-M1 II development18.7%
- Olympus E-PL80.1%
- Olympus 25mm F1.2 Pro1.5%
- Olympus 12-100mm F4 IS Pro1.9%
- Olympus 30mm F3.5 Macro0.1%
- Sigma 85mm F1.4 Art3.6%
- Sigma 12-24mm F4 Art2.6%
- Sigma 500mm F4 DG OS HSM Sport2.4%
- YI M12.2%
- GoPro Hero50.8%
- GoPro Karma drone2.2%
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