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  1. #1
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    Please help me ID this lens

    I got this in a lot of lenses, filters and ring adapters. I have so far been unable to find out what it is used for or who made it. Any help with that would be greatly appreciated.




  2. #2
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    interesting...seems to be a wide to tele converter.
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  3. #3
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    It is interesting. I attached it to my stock lens and there was definitely a difference but the threading on it is very fine so getting it on required some manuevering. I'm wondering if that is because it is a video converter meant for video cameras, and also the branding is CPC maybe which leads me to believe it is a Pentax. I am also unsure what those red dots are for.

  4. #4
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    Anybody?

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    well, after some more research it looks to just be a dual teleconverter to wide. It's nice though as it compliments my Canon EF Compact Macro 50mm lens. I guess I can find it a useful accessory after all.

  6. #6
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    Yes, it looks like it works as a teleconverter when used one way round and a wide converter when used the other way round - that is perfectly possible because of the way many of them work.

  7. #7
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    Ah, I used to sell those for Video Camera's.
    They were cheaper than buying two converters (Wide and Tele). These single designed converters did not perform as well as the dedicated ones.
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  8. #8
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    Quote Originally Posted by dxqcanada View Post
    Ah, I used to sell those for Video Camera's.
    They were cheaper than buying two converters (Wide and Tele). These single designed converters did not perform as well as the dedicated ones.
    I'm guessing they were Pentax/CPC? or did you sell a different brand? What does 4 Element mean?

 

 

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