08-25-2011, 04:45 AM
FWIW, the MTFs are also available on the Sony JP homepage.
16-50/2.8:
http://www.sony.jp/ichigan/products/SAL1650/feature_1.html#L1_30
55-210:
http://www.sony.jp/ichigan/products/SEL55210/feature_1.html#L1_30
50/1.8:
http://www.sony.jp/ichigan/products/SEL50F18/feature_1.html#L1_30
24/1.8:
http://www.sony.jp/ichigan/products/SEL24F18Z/feature_1.html#L1_30
The Zeiss MTFs are not cross-comparable due to the different frequencies.
16-50/2.8:
http://www.sony.jp/ichigan/products/SAL1650/feature_1.html#L1_30
55-210:
http://www.sony.jp/ichigan/products/SEL55210/feature_1.html#L1_30
50/1.8:
http://www.sony.jp/ichigan/products/SEL50F18/feature_1.html#L1_30
24/1.8:
http://www.sony.jp/ichigan/products/SEL24F18Z/feature_1.html#L1_30
The Zeiss MTFs are not cross-comparable due to the different frequencies.