in the kitchen ~ lens research and development
Sunday, January 10, 2010 at 01:50PM 
Grease jar ~ 17mm @ f2.8 • click to embiggen
Grease jar ~ 20mm @ f1.7 • click to embiggenThese pictures should in no way be considered as a "comparison" between the Zuiko 17mm f2.8 lens and the Lumix (Panasonic) 20mm f1.7 lens other than the difference in perspective and DOF between the 2 lenses. I did try to picture the beautiful and picturesque grease jar at the same magnification in each picture in order to see the difference between them, re: the previously stated criteria.
From the perspective POV, I tend to like the ever-so-slightly (but noticeable) more WA look of the 17mm over that of the 20mm - keep in mind that, in the 4/3rds' world, that is an effective focal length difference of 6mm (34mm v 40mm, effective focal length). However, I do like the more narrow DOF obtained with the 20mm @ f1.7 than that of the 17mm @ f2.8.
Maybe if I put them together on the couch tonight, pour a little wine, and put some romantic music on the hifi ....
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