I've been seeing some talk that the Panasonic premium micro Four-Thirds lens, the 35-100mm f/2.8, does not in fact reach 100mm. I have the Olympus ZD 35-100mm f/2.0 also and the shots I've taken are similar, but I don't use or even have a tripod, so my test is hardly so accurate.
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| Olympus ZD 35-100 f/2.0 on Panasonic GH3 using MMF-3 adapter |
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| Panasonic 35-100mm f/2.8 on Panasonic GH3 |
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| Panasonic 35-100mm f/2.8 on Panasonic GH3 |
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| Olympus ZD 35-100mm f/2.0 on Olympus E-5 |
The odd thing about the Olympus ZD 35-100mm f/2.0 on the GH3 via the Olympus MMF-3 adapter is that 100mm is reported as 95mm. I checked carefully to make sure than the lenses were each set to 100mm. I was not checking the shots of a week or so earlier but I generally leave the lenses at 100mm unless I'm shooting and the action is much closer.
I'm not sure whether to believe that there is an actual problem. My only real problem is the price of the lens and its manufacture in China, give that the body is made of plastic and/or polycarbonate pieces. At that price, it should have been made of metal, at least in part. Is it using more expensive lens elements than the larger, great ZD 50-200mm f/2.8-3.5? I don't see the greater glass.
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