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Review Olympus 9-18mm f/4-5.6

Discussion in 'Reviews, Tests, & Shootouts' started by gryphon1911, Nov 30, 2018.

  1. gryphon1911

    gryphon1911 Mu-43 Hall of Famer Subscribing Member

    Mar 13, 2014
    Central Ohio, USA
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    Image © Olympus America

    Wide angle options can be very slim for a smaller sensor camera. Micro four thirds has a few zooms, the O9-18/4-5.6, P7-14/4 and the new PRO designated O7-14/2.8. This discussion leaves out the fisheye lens options.

    Today we are going to explore the O9-18 and why we chose and love this wide angle option.

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    1/1250, f/8, ISO 200 @ 9mm
    Olympus PEN-F


    Out of the three wide zooms, the O9-18 won out. After many hours of research, the IQ difference between the 9-18 and the Panasonic 7-14 were not that great. The Olympus was much smaller, and I only see this as an occasional use lens. There for, the less room it needs, the more likely I am to bring it, "just in case".

    The zoom and focus ring are ready to get to and find. The one little niggle that she might have is that the lens has a zoom lock on it. This needs to be unlocked when not in stored mode. There is a small switch on the side of the lens, you push forward and twist the barrel. I don't find it an issue as I just knock it and me it unlocked until I plan on putting the lens away in the bag for a while.

    It's a personal preference thing.

    The lens weighs next to nothing, and is very first pocketable or can be slipped into a small belt pouch.

    The field of view(FOV) of this 9-18 will be equivalent to 18-36mm. A great wide side, plus going down to 35mm FOV can make for an alternative option for street shooting in tight quarters.
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    1/200, f/8, ISO 200 @ 18mm
    Olympus PEN-F

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    1/1250, f/5.6, ISO 200 @ 18mm
    Olympus PEN-F

    Image Quality
    Don't let the small size fool you. While the aprrture range does not make this a first wide angle choice for low light, it is plenty capable and very sharp indeed. The images have good contrast, and distortion is well controlled, with only minor post processing need for what is not handled in camera (for Olympus users).

    I'll let the images speak for themselves.

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    Olympus PEN-F High-Res Mode

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    1/100, f/4, ISO 1250 @ 9mm
    Olympus PEN-F

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    1/60, f/6.3, ISO 800 @ 18mm
    Olympus PEN-F

    Auto Focus
    As to be expected with modern Olympus built micro four thirds lenses, this is a quick focusing lens. You'll have no complaints from me on its S-AF performance. Also consider that at f4-5.6 and 9-18mm focal lengths, your duty of for will be large anyway.

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    1/60, f/4, ISO 400 @ 9mm
    Olympus PEN-F

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    1/60, f/4.8, ISO 800 @ 13mm
    Olympus PEN-F

    Bottom Line:
    If you need a holy Trinity of Olympus lens, you'll want the 7-14, 12-40, 40-150 f/2.8 lenses. That wood be a great so for me, but I rarely need the very wide end, so convenience and cost are more important than pixel peeping sharpness and weather sealing.

    After you factor this into the equation, a used O9-18 was the best choice and as you can see, is capable of making some great images.
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  2. Gregory

    Gregory Mu-43 Regular

    Mar 4, 2017
    An underrated lens certainly, which tests well at the wide end for which I imagine most people buy it.
    Last edited: Nov 30, 2018
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  3. snaimpally

    snaimpally Mu-43 Top Veteran

    Dec 31, 2012
    I love the O 9-18mm! It is very compact. The little lever that locks the lens in place can get a bit annoying when you are in a hurry to try and capture something - I wish they had a mechanism more like the Panasonic 12-32, 35-100 f4, etc. where a quarter turn of the barrel extends the lens into shooting position. However, all in all, a great lens.
  4. comment23

    comment23 Mu-43 Top Veteran Subscribing Member

    Aug 26, 2016
    Hampshire, UK
    They do! The lock is only to close the lens.
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  5. D7k1

    D7k1 Mu-43 All-Pro Subscribing Member

    Nov 18, 2013
    This lens and the Pany 35-100 f4/5.6 are my travel kit. fine performance is an extremely small size.
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