I bought the zoom, put it on the camera, found it so heavy that I sold it and went with primes.
I know uses 35,50,80,100,150 etc,.
The 100 is really sharp and bright, 50 is also very, sharp.
I am selling an extra 50 also if anyone is interested.
Stephen
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I will have my 100/2.2 and 50-110 deliver in 1-2 week with my H3D39 and I can run a quick test for you. But from my experience in using P45 on Contax 645 with all my Zeiss lenses, the 45-90 zoom is clearly as good as any fixed focal length lens, center to corner, at same f stop. I will beleive the similar on Hasselblad. The difference between using the zoon and fixed focal length in my point of view is usng zoom, the photographer has more freedom to use varies focal range and dustance between shooter and the object, therefore, using creatively, the result is more versatile. Using prime, I think the photographer focus more on the subject with more concentration, but of course it is base on each one's shooting style.
For bokeh, it can be very subjective, but in the day of high end digital capture, the sense of depth is somewhat different since suddenly everyone can view the picture at 100% and can clear see what's in focus and what's not, and eventually shoot at smaller aparture, and somewhat wider lenses.