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X100 w/ Ricoh TC-1 (1.88x)

Discussion in 'Fuji X Accessories' started by gleeman, Mar 2, 2012.

  1. gleeman

    gleeman Member

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    [​IMG]
    52-49 + 49-52 + 52-43

    [​IMG]


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    very slight vignette when the lens is focused on a near distance object

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    PROS
    lightweight
    low distortion, low CA


    CONS
    bigger vignette(when focusing at far distance)
    AF hit or miss
     
  2. videogamemaker

    videogamemaker Member

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    Thanks for the examples. Your filter adapters look like they push the adapter quite far from the lens. Maybe try using slimmer ones or a single adapter if possible?
     
  3. gleeman

    gleeman Member

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    this is the best setup I've tried so far
    I also tried 49mm adapter + 49-43 step down ring, the lens will hit the 49-43 ring if You try to focus

    [​IMG]
     
  4. gleeman

    gleeman Member

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    more photos
    [​IMG]
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  5. Frankie

    Frankie Premium Member

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    I am interested in this tele-adapter.

    What is the mounting thread size? Studying your pictures, I presume it is f-52mm???

    If so, there is an adapter ring that changes the Fuji f-49mm into a f-52mm and may provide the closest fitting...which should also clear the X-100 lens at macro mode. See: http://www.ebay.ca/itm/JJC-CAMERA-LENS-RING-ADAPTER-FUJI-X100-52mm-FUJIFILM-/220843272300?pt=LH_DefaultDomain_0&hash=item336b48e86c
     
  6. gleeman

    gleeman Member

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    Hi Frankie
    it's 43mm thread

    [​IMG]

    as you see, I tried a 49-43mm step down ring first, the lens will hit it

    current Setup :52-49(as a short 49mm adapter) + 49-52 + 52-43
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    [​IMG]
    [​IMG]
    (52-49 as a short 49mm adapter)



    [​IMG]
    (49-52 + 52-43)
     
  7. Frankie

    Frankie Premium Member

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    So, what is needed is a thread-size build up from f-43mm to f-49mm...I have used such devices before, might even have one in-stock...stay tuned.

    See: http://www.ebay.ca/itm/49mm-43mm-49-43mm-49-43-Step-Down-Ring-Adapter-/320745789540?pt=US_Filter_Rings_Holders&hash=item4aadf05864

    To avoid the X-100 lens hitting something, an 8mm allowance from the back flange [after screwing off the cover-ring] is needed. Fuji, UN and many others have a total ring depth of 9.2mm [allowing for also a filter]

    I will try also to find a f-49mm to f-43mm adapter of 8mm+ depth...that way, the Ricoh unit and be mounted directly onto the f-49mm Fuji lens thread.
     
  8. gleeman

    gleeman Member

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    Frankie,
    I have one
    the fuji lens will hit the 49-43 ring, not the back flange of teleconverter

    49-43
    IMG_5872-imp.jpg


    52-43
    IMG_5873-imp.jpg
     
  9. Frankie

    Frankie Premium Member

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    Ah...now I understand.

    The X-100 lens unit dia. is ~45mm...will hit any smaller opening if not enough depth is allowed.

    So, the thread-reducer needs to be nearly flat...at least not pround of the Ricoh thread itself. What...~2.5mm???

    What is needed is a one-piece f-49mm to f-43mm adapter with a cavity depth of 8mm+...similar to this DIY hood idea except the threaded opening is 43mm. [The ID of that m-49mm~f-43mm donor part is 46mm and clears the X-100 lens unit.]

    [​IMG]

    I have studied your set-up in Post 1. Also, the Ricoh lens quality is the best I have seen...if the vignetting could indeed be reduced to the minimum by mounting the unit closest to the X-100 lens.

    I would be happy even if the set-up only works in non-macro mode. In such case, the depth needed is only 4mm total [The X-100 lens at "off" protrudes 0.6mm beyond the lens collar; recesses ~1mm at infinity and flush at 0.5m focal distances]. My avatar DIY dome hood is based on those measurements.
     
  10. gleeman

    gleeman Member

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    Hello Frankie
    maybe you can make a adjustable adapter ... :rolleyes:


    also I think that we'll be happy with this teleconverter if the X100 has in-camera digital zoom/crop to about 50mm lens FL ....
     
  11. gleeman

    gleeman Member

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    1.this is AF-without-macro setup (also focus distance must be far than 2M to avoid hitting the lens)
    [​IMG]

    [​IMG]
    52-49(52mm male thread) + 58-52(52mm female thread inside) +52-43(52mm male thread)

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    2.compare to AF-with-macro setup(52-49 + 49-52 + 52-43)
    [​IMG]


    3.MF and handheld the teleconverter,that's the limit I can reach
    [​IMG]
    [​IMG]
     
  12. Frankie

    Frankie Premium Member

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    This is what I have in mind:

    The f-49mm silver adapter ring is wide enough and depth good enough for maximum macro...as is in the set-up pictured. All I have to do is replacing the original f-30.5mm adapter pictured [minimum ID 46mm] with a f-43mm one [minimum ID 46mm if available or lathe to fit]...the Ricoh TC-1 screws right in.

    Counting threads in your pictures, the TC-1 would need 3 x 0.75mm+ in total thread depth, plus something... What is the total depth from flange???

    In making a thin MF non-macro unit, internal depth for the lens needs only be 4mm [same as my DIY hood], reducing the distance resulting in a little vignetting at f-11, very much like your hand-held shot.

    [The X-100 lens at "off" protrudes 0.6mm beyond the lens collar; recesses ~1mm at infinity and flush at 0.5m focal distances...tried-and-true].

    [​IMG]

    I would probably make it in two pieces, with the silver adapter ring only deep enough so that after unscrewing the TC-1/adaptor-top as one unit would leave enough thread [3 x 0.75mm] in the silver ring as a simple f-49mm thread adapter for dome hood and filters.

    Post-processing cropping of residual vignetting is easy enough.
     
  13. gleeman

    gleeman Member

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  14. jknights

    jknights Moderator Staff Member

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    These results are similar to when I tried a x3 teleconverter.
    My x2 unit also vignettes very slightly from f4/5.6 upwards.
    The same is true with the x2.2 but it starts to vignette at f2.8

    I'm sure that somewhere there is a solution but I just need to find a good camera shop with a lot of different sized teleconverters.
     
  15. gleeman

    gleeman Member

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    Vignette is not a big deal
    I've tried some TCs,
    This TC is the only one delivered low CA and low distortion.so far


    View attachment DSCF3324-imp.jpg
    F8 ,JPEG ,cropped
     
  16. gleeman

    gleeman Member

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  17. Frankie

    Frankie Premium Member

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    The last example in Post 11, if cropped ~10% would be clean enough. That would essentially be a digital zoom making it a 2X extender equivalent...I would be happy with that.

    Such custom flush-mounting would allow an infinity to 0.5m focal range and I am happy with that as well...shopping time.

    [​IMG]

    [​IMG]
     
  18. videogamemaker

    videogamemaker Member

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    How wide is the back glass opening? like the physical width of the glass closest to the fuji lens? This looks like a nice converter, but at 150 USD it's one of the more expensive ones.
     
  19. matzan481

    matzan481 New Member

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    Why is it so magenta colored?
     

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