Inner diameter of Panasonic 8mm MFT ring?

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  1. Inner diameter of Panasonic 8mm MFT ring?

    #1

    I am receiving the new Samyang 7.5mm FE for MicroFourThirds for a panorama test early next week and I was wondering if I could use the R1 lens ring for the Panasonic 8mm MFT for this lens.

    I anyone could give me the inner diameter and the the thickness (or should I say wideness) of the Panasonic ring, I can figure out next week if it will fit or not

    Thanks

    Karel



    website: http://360vr.nl
    Twitter: @360vr_nl
  2. #2
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    Join Date: Aug 2008
    Location: Netherlands
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    You might be lucky Karel: Panasonic is shown with 61mm, Samyang 60mm. But it seams to cover all movable parts of the Samyang.

    Click image for larger version

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    Do you know a dealer that has this ring?

    Heinz

    BTW: added yesterday: http://www.lenstip.com/1940-news-Sam...le_images.html
    Last edited by hindenhaag; 09-08-2011 at 01:33 PM.
  3. #3

    Thanks, Heinz.

    I guess it is worth taking a shot at, seeing the pictures.

    The search for the ring is my next quest now :-)

    Karel



    website: http://360vr.nl
    Twitter: @360vr_nl
  4. #4
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    Location: Los Angeles, CA
    Posts: 348

    I really do not want to make a ring if there is something already very close that I can modify. I also have the lens on order. Hopefully it gets here before my trip next month.
  5. #5
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    May be this one might be an alternative to NN Lens Ring:

    http://www.novoflex.com/en/products/...dapter-finder/

    Best place to ask for the lens ring should be www.cameranu.nl They have the best stock in NN Parts in Nl. I already searched our NL dealers websites.Nothing. But may be they have it in stock, websites are not so up to date. But I am afraid they only have the popular rings in stock like sigma and Samyang 8mm, nikkor 10.5/16. New orders often take 4 - 6 weeks. In this case I step over to www.magasin/skivr , our friend Vincen. Just ordered the new Tripod adapter at 07-09-11, Sepa EU money overboeking, will be in NL today with shipment TNT economy express €25.xx costs. Normal TNT is around €16.

    Urk - cameranu is not far away from you isn't it Karel?

    Heinz
    Last edited by hindenhaag; 09-08-2011 at 10:58 PM.
  6. #6
    Users Country Flag badders's Avatar
    Join Date: Jan 2009
    Location: East Kilbride, Scotland
    Posts: 349

    I should have the Samyang 7.5mm lens, R1 with Panasonic 8mm lens ring and an E-P3 to test next week.



    Badders
  7. #7

    Thanks Heinz,

    I did mail Vincèn (I am a 'regular' with skivr) and he confirmed that he could deliver by the end of next week.
    b.t.w: does the Novoflex fit the R1?

    Karel



    website: http://360vr.nl
    Twitter: @360vr_nl
  8. #8

    @badders: Could you post your findings if the ring fits well, next week?

    Thanks

    Karel



    website: http://360vr.nl
    Twitter: @360vr_nl
  9. #9
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    Karel,

    I've send you an IM. You are number One for sure.. I will try to check the Novoflex. But at the moment I feel it is the easiest way to use the Panasonic lens ring. There is only a small rim to lens flange side on the outer ring. I talked to Vincen and he checked the ring for us. So I feel it might work changing the design of the inner plastic insert or even without it.

    That's how the forum works Trying to help each other.
    Specially for those who drive an old volvo amazone like I did years ago!

    I am waiting for Nikon mirrorless to find out. Let's see.

    It's a great moment for Pole Panos and those who need very light equipment for their travels.

    Cheers,
    Heinz
    Last edited by hindenhaag; 09-09-2011 at 02:36 AM.
  10. #10
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    Quote Originally Posted by badders View Post
    I should have the Samyang 7.5mm lens, R1 with Panasonic 8mm lens ring and an E-P3 to test next week.
    You will have the Samyang 7.5mm next week? Do you have a good caliper? you can measure the dimensions for me and save my money on the lens.

    Nick



    Fanotec
    We listen. We try harder.
  11. #11

    considering all the talk about that ring, here are picture of the inside of the ring so you can get better idea if it might fit on the Samyang. Sorry for quality of picture but definitively not easy to shoot black plastic and still be able to see the details Click image for larger version

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  12. #12

    I can give you the exact dimensions as soon as I have the lens, Nick, no problem
    Probably by next monday

    Cheers,

    Karel



    website: http://360vr.nl
    Twitter: @360vr_nl
  13. #13
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    The Panasonic ring clamp may not work on the Samyang lens. The only solid part of the lens to clamp onto is at the very back. The rest of the barrel is taken up with the focus ring and f stop ring. There is a very small area of the barrel that does not move and might be very difficult to grab onto.

    I also have the lens on order. When it gets here I can provide measurements down to whatever level of precision is required.

    After shaving the lens there will be a need for a new lens cover. I hate voiding the warrantee on something brand new. There have been no pictures of the stock cover, so we do not know yet if it will still work (with modifications). Any thoughts on this?
  14. #14
    Users Country Flag badders's Avatar
    Join Date: Jan 2009
    Location: East Kilbride, Scotland
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    Quote Originally Posted by nick fan View Post
    You will have the Samyang 7.5mm next week? Do you have a good caliper? you can measure the dimensions for me and save my money on the lens.
    Yes. No. (But I can get one and yes I'll take measurements for you) I don't yet know when next week I'll receive the lenses as they have only been put on shipment today.



    Badders
  15. #15

    The lens arrived today, I will post my first sample in a new thread

    Here are the dimensions, Nick
    They are ± 0.05 mm and in the brackets you'll find the average of 3 measurements.

    Is this sufficient for you?




    Karel



    website: http://360vr.nl
    Twitter: @360vr_nl
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