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01-23-2013, 12:07 PM   #1
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mFT on Q ???

mFT lenses should be work on Q... But i can't find a adapter in this combination.

Does anyone knows a adapter?

01-23-2013, 03:24 PM   #2
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I've been searching for this also as well as using four thirds lenses. So far I've had no luck. I did email a couple of the companies that make adapters and asked them if they produce or will produce one. No reply yet
01-23-2013, 07:02 PM   #3
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I have Olympus m4/3 and 4/3. The problem I see is the Oly lenses use FBW( focus by wire). How would it focus on a non powered adapter? I do have a Sigma 4/3 50-200 lens that mechanically focuses. Haven't seen any Q-4/3 adapterts.
thanks
barondla
01-23-2013, 07:49 PM   #4
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QuoteOriginally posted by barondla Quote
I have Olympus m4/3 and 4/3. The problem I see is the Oly lenses use FBW( focus by wire). How would it focus on a non powered adapter? I do have a Sigma 4/3 50-200 lens that mechanically focuses. Haven't seen any Q-4/3 adapterts.
thanks
barondla
I have the 4/3 Oly 50-200 f2.8-3.5 that has a manual focus over-ride of the FBW. I had hoped to use this on the Q as the optics are of the same quality as the f*300mm i once owned.

01-23-2013, 09:45 PM   #5
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QuoteOriginally posted by ivoire Quote
I have the 4/3 Oly 50-200 f2.8-3.5 that has a manual focus over-ride of the FBW. I had hoped to use this on the Q as the optics are of the same quality as the f*300mm i once owned.
So this Olympus lens can be manually focused off a camera body, or on the body with power off? If so, that is cool. Always hated the standard Oly FBW system on their less expensive lenses. Does the matching 14-54 work the same way?
thanks
barondla
01-23-2013, 10:52 PM   #6
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Also curious about this - I don't think there is an electric adapter
01-24-2013, 03:16 AM   #7
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4/3 and m4/3 lenses need power to do everything. no power to the lens no focus. there is a couple of exceptions that i know of and thats the 50-200 mentioned above and the 12-60. Sigma also had a couple 18-50 and 18-125 which were not FBW when used in manual mode.

http://hazeghi.org/mft-lenses.html

link above has a chart of manual lenses for m4/3

Last edited by hamtaro145; 01-24-2013 at 03:29 AM. Reason: updated information
01-24-2013, 05:58 AM   #8
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QuoteOriginally posted by barondla Quote
lenses use FBW( focus by wire)
Hm! Yes, that's a problem and a chance... mFT is a open standard. Maybe it is possible to create a Adapter with Full-AF function -> translate the protocol between Q <-> mFT...

Think it's a political / marketing problem: Pentax should be able to construct such a adapter. But does they want to create it?

My idea was: I have a Minolta MD -> mFT adapter. I can by a MD -> Q Adapter, but i can also by a mFT -> Q Adapter and can use two Adapters: MD -> mFT -> Q

01-24-2013, 06:30 AM   #9
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QuoteOriginally posted by jedie Quote
Hm! Yes, that's a problem and a chance... mFT is a open standard. Maybe it is possible to create a Adapter with Full-AF function -> translate the protocol between Q <-> mFT...

Think it's a political / marketing problem: Pentax should be able to construct such a adapter. But does they want to create it?

My idea was: I have a Minolta MD -> mFT adapter. I can by a MD -> Q Adapter, but i can also by a mFT -> Q Adapter and can use two Adapters: MD -> mFT -> Q
Would definitely need to be an electronic adapter - aperture is also controlled electronically.
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