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01-14-2015, 11:20 PM   #1
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Kooka extension tubes - any good?

Recently I came accross the extension tubes from Kooka - PENTAX - KOOKA OPTRONICS CO.,LTD .

It looks like all the camera-lens autofunctions should be working (AF, AE). But some users which reviewed it claim that it does not work.

That's why I'd like to ask if someone could confirm its functionality on K-3.

(Otherwise - is there another producer offering the same?)

01-14-2015, 11:23 PM   #2
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Some discussion here
01-14-2015, 11:25 PM   #3
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There have been mixed results with these tubes. There seems to be quality control issues. SRB in the UK stopped carrying them because of this.

See this thread for further information
01-15-2015, 12:20 PM   #4
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Thanks, I'll try to ask in the linked thread.


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