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[REVIEW] X100 Using x1.5 tele conversion lens

Discussion in 'X100, X100S, X100T, and X70' started by Lukasz, Oct 9, 2012.

  1. Lukasz

    Lukasz Member

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    Hi Everyone,

    Due to the little bit of success I saw with the tele conversion poll, I thought - why not buy a lens and try it out. B)

    Some of you voted and the top choice was a 50mm equivalent lens.
    With a little reading up on this forum and other great forums such as RF, FredM, SHuff, DP and this awesome review by millsart http://www.fredmiranda.com/forum/topic/1092508/0 I narrowed my search for the "right" lens.

    Then I fired up Ebay and found a nice circa 1988 x1.5 tele lens from RCA.

    [Lens Information]
    • RCA X1.5 Tele Conversion Lens LX152A
    • 77mm front thread
    • 58mm rear thread
    • 45mm (approx) rear pupil opening
    • made in Japan

    [Qualitative Analysis]
    • All around shooting is nice.
    • Drop in f stop is not high at all :) , when I compensated with LR, most compensation was only as high as -0.3EV... which I think is pretty good.
    • There is softening around the edges, especially when you go f4 or higher. At f2 and f2.8, the bokeh covers up the soft edges nicely.
    • Lens vignetting -> present but not drastic, a bit artistic, easily corrected with LR

    [LX152A Equivalents]
    • Olympus VF-KL2
    • RCA LX152A
    • Sony VCL-1558A
    • Kenko ??? - I know this exists, just don't have the part#
    • Canon TC-DC58A - while not the same body, this lens does meet the requirements of a large front element and rear pupil opening, so I thought I'd throw it in

    [User Reviews of Specific Lenses Listed Above]

    [Summary]
    • IMO, Lenses like this are best suited for any shots you would normally take between f2 and f2.8, unless you are willing to crop the center.
    • I think portraits would look great with this lens
    • Heavy and Big - ~350g with a 77mm front element -> just keep that in mind, it's no wcl-x100
    • 50mm is doable - common Fuji let's see another adaptor lens :D


    In the next posts I'll show some image samples and what I hope they convey with respect to the lens.
     

    Attached Files:

  2. Lukasz

    Lukasz Member

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    To really show off the lens, i've ONLY corrected for exposure (matched it in comparison images), everything else set auto in LR with lens correction turned OFF in ALL shots.


    These first two shots at f2.8, show how the lens softening isn't show bad when you shoot wide open or close to wide open.
     

    Attached Files:

    Davideng likes this.
  3. Lukasz

    Lukasz Member

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    Next up, a shot from about 7meters away.
    Take note of the edge softening when shot at f4.

    Attached are also 1:1 (approx) crops of the edges to really highlight the softening.
     

    Attached Files:

  4. Lukasz

    Lukasz Member

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    Next up is macro shots at f4.

    Here I noticed that the edge softening isn't so bad.
    Also, while I don't have a sample of it - the 1:1 crop of the tele photo is VERY NICE at the center.
     

    Attached Files:

  5. Lukasz

    Lukasz Member

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    Lastly, a comparison to show the additional vignetting.

    Distance is 10m+ (perhaps infinity) and f4.
    It is much easier to see the vignetting with the thumb nails.

    At the center, it was nice to see that no additional chroma aberrations were present :)
     

    Attached Files:

  6. nole0202

    nole0202 New Member

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    Thank you for the effort and report.
    I've had excellent results with the Nikon WC-E68 and now will try one of these.
    Are you connecting with the standard X100 adaptor to a 49-58mm ring? or, have you tried the newlly available X100-58mm adaptor?
     
  7. Lukasz

    Lukasz Member

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    49-58mm step up

    I wasn't aware there was a fuji made 58mm adaptor... I'll have to look into it, thanks for the heads up :)
     
  8. Arjay

    Arjay Admin Staff Member

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    I don't believe the 58mm adapter is made by Fuji. I think it is being made by JJC.
     
  9. MichaelMiller

    MichaelMiller marksman

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    So who is the maker of this tele lens? I think I missed it.
     
  10. Lukasz

    Lukasz Member

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    http://www.jjc.cc/products_info.asp?id=854&cid=888&pid=6&s_series=all

    Right you are.

    But it looks like a 49-58mm step up... or is there something extra too?
     
  11. MichaelMiller

    MichaelMiller marksman

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    I just found one on ebay and bought it. I hope I get sexy results like you did. If so this has completed all my needs in a camera by this brand, and I thank you for this post.
     
  12. Lukasz

    Lukasz Member

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    I wouldn't call them sexy, definitely not for everyone and as you'll soon see ... the lens is BIG... and at 13oz it almost makes you want to carry the camera by the lens XD


    In the spirit of further giving, since some of you may also be wanting to sport a new x1.5 lens for Christmas, I've compiled a list of what I think are OEM equivalents of the LX152A.

    If you find images of the following you'll see that they look VERRRY similar to the lens I've reviewed.
    I'm fairly confident that they are all made by one "house" then badged accordingly.

    [LX152A Equivalents]
    • Olympus VF-KL2
    • RCA LX152A
    • Sony VCL-1558A
    • Kenko ??? - I know this exists, just don't have the part#
    • Canon TC-DC58A - while not the same body, this lens does meet the requirements of a large front element and rear pupil opening, so I thought I'd throw it in
     
  13. MichaelMiller

    MichaelMiller marksman

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    These do not come very cheap to say the least. Is the center sharp compared to the standard x100 lens?
     
  14. Lukasz

    Lukasz Member

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    I'm not sure where you're checking, but they do in fact come cheap... but I'm creating the "expensive" baseline here with our x100 in at $1000 give or take.
    Also, the wcl-x100 is $350.

    Each lens on my list can be had for less than $100 guaranteed. It took a few weeks of digging around the net to find all the part#'s and I can confirm the prices.

    For example, the sony lens... I've seen go as little as $10.
    The lx152a I just saw on ebay for BuyItNow at $30.


    And yes, the center sharpness is at par with the x100 standard lens
     
  15. MichaelMiller

    MichaelMiller marksman

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    Upon search it appeared the RCA model you used is quite rare in the United States and most on ebay are around $58 US.

    I look forward to using this for portraits at f2
     
  16. Lukasz

    Lukasz Member

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    Please post your results :)
     
  17. adriaantie

    adriaantie New Member

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    Got me the Sony for 30 euro today. Now i am waiting for the step-up ring. Looks like some fun to use the converter. Thanks for the tip.
     
  18. Lukasz

    Lukasz Member

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    Glad to help, please post results so we can compare the quality of images from the different lenses.

    Like I said above, I think it's just one OEM making them all, but perhaps there are differences between Sony/Olympus/RCA... worth looking into :)
     
  19. nole0202

    nole0202 New Member

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    I bught the RCA one on eBay new BIN for $30 with free shipping.
     
  20. Friktus

    Friktus New Member

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    thanks for the post sparked an interest in me . Im Europe and found this listing. its says for Video but would it be suitable ?

    http://www.ebay.com/itm/RCA-Video-Camera-Lens-Extender-LX152A-/110636533330?pt=Camera_Lenses&hash=item19c2738652

    Well above link no good for me due to high postage cost and possible import tax.
    Found this one below also, Sony TeleConverter 1.5x VCL-1558 A at ebay uk. Seems like a decent price.

    http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=200833122527&fromMakeTrack=true&ssPageName=VIP:watchlink:top:en
     

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