New Olympus 17mm 1.8

Started Mar 7, 2014 | Discussions thread
Steve Rushing Contributing Member • Posts: 657
"strictly controlled conditions"

Unfortunately this is hard to achieve with my grand kids.

I've had the 20 since launch. I think very highly of its objective measurements and how they manifest themselves in the photographs under approximately 90% of the my shooting situations.

But. The problem with slow focus, especially hunting, is problematic in situations where I need exceptionally fast focus, i.e., when indoors and I can't demand that everything be perfectly controlled on behalf of the lens.

I will keep the 20. There are times when the combination of its objective measurements are superb and make it to the photograph. I was going to buy the 17 for the situations where the combination of the 20's objective measurements are less far less than superb - sharpness doesn't count if I miss the fleeting moment of a child's experience. I abandoned this idea when the 12-40 was announced and purchased it instead. Even though some of its objective measures (and some subjective such as size & bulk) are less than superb or ideal, it is now constantly on my camera because it gives me a higher keeper rate in less than "strictly controlled conditions".

BTW, I admire your analytical thinking, but hope you also understand that it is often extremely difficult to parse and control individual variables, permutations and their interfaces in the messy real world of application, especially when you throw people into the System such as photographer+camera+lens+lighting+subject .... Analytical thinking is entirely correct for mechanical testing and reviews. However, its necessary, but not sufficient. Move to the application of people taking photographs and Systems thinking, for me, is certainly messy, but very informative in the sense that posts from users here give me an understanding of the Systems behavior in situations important to me. That is, I rely on both objective analysis of tests and subjective posts of users to whom I relate because my performance criteria aligns with theirs. We often shoot similar subjects under similar conditions.

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