New Olympus 17mm 1.8

Started 6 months ago | Discussions thread
Sergey_Green
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In reply to Anders W, 6 months ago

Anders W wrote:

Sergey_Green wrote:

..

Not only you need to use the lens, but you also need to use it effectively, and with good results to show. In other words, learn the tool first, then talk about it.

Why do you need to do that? Things like sharpness, CA, coma, vignetting, bokeh, and distortion are objective properties of the lens no matter who uses it. You shouldn't confuse those properties with the photographic talents of the user.

I am not confusing objective properties with anything, except those objective properties do not often tell the full story about the lens in question. Lately I compared Sigma 35/1.4 (the same lens I saw you quoted several times) against Zeiss 35/1.4 on a full frame camera. Zeiss clearly showed strong colour fringing, even where the contrast seemed easy for most lenses to deal with, and weaker corners from wide open. Sigma, on the other hand, shows almost no colour fringing at all, it has more even sharpness distribution, and is blazing fast in focusing. Yet it is Zeiss that renders very pleasing colours (how can you measure it), and very nice bokeh. Two of my colleagues bought this lens in a heartbeat.

Another example is Sigma 150/2.8 macro (equivalent to would be 75/1.4 on mFT), say vs. Nikon 135/2 DC. Sigma is very sharp lens, very well controlled, blazing fast, and an excellent macro lens in addition. Nikon on the other hand will often show visible colour fringing (you can see it in the images in the link below), probably not as tack sharp as the best macro lens for anything closer, and is slower to focus.

http://www.nikonjin.com/forum/showthread.php?tid=1043

Yet, there is no lens that can render the bokeh and colours as this lens does. And so I'd much rather have this lens on my camera in downtown, then anything that fetches higher test results by comparison.

So the verdict, use the lens first, appreciate its true qualities, and only then pass the judgement on it to the others. As you said, you do not have 17/1.8 to compare, you have no idea about its convenience for framing, and you can not post anything convincing enough why you would chose another lens instead.

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- sergey

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