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09-17-2016, 02:21 PM   #1
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Can I use a Micro Four Thirds lens on a K-5?

So I ordered a vintage K-Mount Vivitar Series 1 28-90MM F 2.8-3.5 Lens for $30, and received a $200 Olympus 40-150mm f/4-5.6 ED M.Zuiko Digital lens instead...

Any experiences using a Micro Four Thirds lens with a Fotodiox Adapter on a K-5? Doable?

09-17-2016, 02:39 PM - 1 Like   #2
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Looks like that's also a 1.4x teleconverter at the same time- you probably won't get the best results.

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09-17-2016, 02:52 PM   #3
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Thanks, Adam! It's quickly looking like the best idea is to sell this and buy a better vintage lens with the profits.
09-17-2016, 02:54 PM - 1 Like   #4
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I have the M. Zuiko 40-150, so, I can tell you, in a word, no. The M.Zuiko aperture and focus (even manual,) is totally electronically controlled with the body. The adapter you link to is for older film era Olympus OM mount lenses, which have mechanical focus and aperture controls. Also, the image circle the M.Zuiko projects probably won't cover the APS-C sensor. You probably need to return the Olympus lens, if you can. It just won't work with your K5.

Sorry

09-17-2016, 02:57 PM   #5
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Thanks, Grog! I figured it might be unworkable, especially since I couldn't find any proper reviews or articles on the subject. Your reply absolutely cleared the issue, much appreciated.
09-17-2016, 03:20 PM   #6
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Glad I could help !
09-17-2016, 03:21 PM   #7
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If only the K-5 had a crop mode.

Just think about how annoyed the person who ordered the $200 M4/3 lens and got the ancient zoom is going to be!
09-17-2016, 03:38 PM   #8
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I'd feel bad in that case, but the guy wasn't selling anything else on the site and his ratings were a bit iffy... I can see why! But it was through amazon marketplace, so I'm covered if I want to return it. Still not sure if I want to...

09-17-2016, 05:29 PM   #9
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Just be aware that if the seller realizes his mistake and asks for the item back, you are legally obligated to return it, provided he covers the cost of the return.
09-17-2016, 09:19 PM   #10
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Rather than trying to adapt an m43 lens to your K-5, you should buy an m43 body to go with the lens! You can pick up m43 bodies that are a few years old for next to nothing, and m43 makes a great supplemental system for APS-C or FF.

Or if you're looking for a cheap K-mount zoom lens, I have a Tamron 28-75mm f/2.8 that is stuck on f/2.8 that I could trade you!
09-18-2016, 02:38 PM   #11
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Thanks for your comments, dcshooter and Edgar! Edgar -- where in Indiana are you? I'm not ruling your suggestion out.
09-18-2016, 07:00 PM   #12
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QuoteOriginally posted by Philo Quote
Thanks for your comments, dcshooter and Edgar! Edgar -- where in Indiana are you? I'm not ruling your suggestion out.
I'm on the South side of Indy, but I get down to Columbus every once in a while, but shipping would also not be a problem. If you actually are interested in some kind of trade, I could throw in some other lenses.

In addition to the Tamron 28-75mm f/2.8, I also have some old manual lenses that I've acquired in camera lots at local auctions, but never used...Pentax 50mm f2, Super Cosina 80-200mm, and Gemini 49mm f/2.8.

Last edited by Edgar_in_Indy; 09-18-2016 at 07:24 PM.
09-21-2016, 09:59 AM   #13
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Thanks, Edgar! That sounds tempting -- the Super Cosina could be fun in particular -- and the Tamron (even stuck at 2.8) would get plenty of use, but I figured I better do the right thing and let the guy know.
09-21-2016, 05:13 PM   #14
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Pentax 50mm f/2 lenses are in my opinion both grossly underrated and (as "kit" lenses) unfairly maligned.
09-21-2016, 06:27 PM   #15
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QuoteOriginally posted by pathdoc Quote
Pentax 50mm f/2 lenses
Yes, they are OK, its just that the faster 50s of the time were better.So that's y they r looked upon as"inferior"....
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