On Fri, 18 Feb 2005, Peter J. Alling wrote: > There's a rational for keeping the 1.7. The instructions that come with > the Autobellows M states that > the M 1.7 50mm has a flatter plane of focus than the 50 f1.4. Since all > the 1.7's have the same basic > optical formula as all of the 1.4's as well. You could assume that the > 1.7 would give better results on > a bellows or lens extensions. But that's just an assumption.
There is also http://stans-photography.info for all the opinions you like :-) Kostas
