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Anyone use 75mm + Kenko extension rings

Discussion in 'Native Lenses' started by RenaudVL, Feb 9, 2013.

  1. RenaudVL

    RenaudVL Mu-43 Veteran Subscribing Member

    Mar 21, 2011
    Try to convince myself not to get the 60mm macro.
    I already have the 75mm...
    Anyone tried the kenko rings on that lens?
    The other advantage I see is I could also use it on the 45mm and others...

  2. Livnius

    Livnius Super Moderator Subscribing Member

    Jul 7, 2011
    Melbourne. Australia
    Only just got the kenko extension tubes the other day.
    Will try to post something up shortly with the 45, 75 and 100-300.
    • Like Like x 1
  3. RenaudVL

    RenaudVL Mu-43 Veteran Subscribing Member

    Mar 21, 2011
    Great, thanks...
    What set did you go for?
  4. blue

    blue Mu-43 Veteran

    Jun 1, 2010
    Yes please, would like to see this.
  5. FastCorner

    FastCorner Mu-43 Veteran

    May 28, 2011
    With these extension tubes, how do they affect the focus range on the 75mm? Does it basically fix the focus distance to within a few inches of some distance?
  6. heli-mech

    heli-mech Mu-43 All-Pro

    Mar 9, 2012
    Vancouver Island, Canada
    One thing to remember with tubes - longer the focal length the less magnification you gain (or the tubes need to be correspondingly longer). Close up lenses work the exact opposite, they are more effective (greater magnification effect) with longer lenses.

    With both tubes mounted on the 75mm you should get just under .5X magnification which is pretty good for macro work. Mounted on the 100-300mm set at 300mm you would hardly notice a difference.
  7. Mytola

    Mytola Mu-43 Regular

    Feb 10, 2013
    I was wondering about this as well. I've got the 12, 45 and 75, but would like to be able to do some closeups without dishing out for a 60mm macro.
  8. heli-mech

    heli-mech Mu-43 All-Pro

    Mar 9, 2012
    Vancouver Island, Canada
  9. RenaudVL

    RenaudVL Mu-43 Veteran Subscribing Member

    Mar 21, 2011
  10. Mytola

    Mytola Mu-43 Regular

    Feb 10, 2013
    Thanks alot for the link. Nice to see some pics! I found a set of the Kenko extension tubes on the local used market, so I'll have a go myself later this week! :) 
  11. iGonzoid

    iGonzoid Mu-43 Veteran

    Feb 6, 2011
    Tasmania, Australia
    Hi, Just repeating what I said on another post, with additions:

    I bought one of the first sets of Kenko 10 and 16mm extension tubes to use with the P/L 45, only to find they would not work while stacked on the P/L macro — though they would work stacked on all sorts of other non-macro lenses. At the end of this post there is a pic taken with the O 75 f1.8 with both Kenko tubes [26mm]. The shorter focal lengths [such as the P 14mm and P/L 25 f1.4] focus so close with both tubes on that you get shadows from the lens barrel falling on your subject in many circumstances.

    However, my Voigtlander Nokton 25mm f0.95 [which already goes to 1:4], V Nokton 50mm f1.1, Leica Summilux 50mm f2, Oly DZ 35mm f3.5 Macro [4/3], Oly 11-22mm f2.8-3.5 [4/3], P 100-300 f4, and Leica R 180mm f2.8 all work with both tubes stacked.

    Recently I bought the Zuiko Digital 35mm f3.5 macro 4/3 second-hand and I have only just started using it seriously as an adjunct to my P/L 45mm f2.8 Macro Elmarit.
    Fortunately the Zuiko 35 macro DOES work perfectly with both tubes stacked — giving well beyond 1:1 macro. This is an example:

    Tiny unidentified spider on sprig of rosemary. GH-2, Olympus Zuiko Digital 35mm f3.5 Macro; Kenko 10+16mm extension tubes; @ 1:1+; f11, 1/40s, ISO 160, bounced on-camera flash. Cropped from 4976x2800px [16-9 format] to 2066x1662px. Photo © Giles Hugo 2013.

    DMC-GH2    OLYMPUS DIGITAL 35mm Lens    35mm    f/11.0    1/40s    ISO 160

    Grapes. Shot with OM-D Olympus 75mm f1.8, 26mm Kenko extensions tubes; @ f1.8 1/640s, ISO 200.

    E-M5    OLYMPUS M.75mm F1.8    75mm    f/1.8    1/640s    ISO 200
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