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Fujinon 100-400mm Discussion Thread

Discussion in 'Fuji X-Mount Lens Forum' started by robert, Jan 14, 2016.

  1. CumberLinda

    CumberLinda New Member

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    I hope you're right! I'll let you know how the lens testing goes.
     
  2. Macmodus

    Macmodus Premium Member

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  3. hooferinsane

    hooferinsane Well-Known Member

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    I finally put on my 1.4 teleconverter to my 100-400 yesterday, but at maximum zoom (which shows in the exif as 560mm) can only get f8. I knew I would lose something, but can others only get f8 at 560mm using the teleconverter?
    Thanks
    Brian
     
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  4. Richard_R

    Richard_R Eclectic eccentric

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    With a 1,4x TC you loose 1 stop of aperture so your f4.5 - f5.6 lens becomes a f5.6 - f8 lens with the TC fitted.
     
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  5. hooferinsane

    hooferinsane Well-Known Member

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    I have been reading on another forum someone who uses a canon 100- 400 4.5 -5.6 on a canon body, and when he uses alt servo (Fuji equivalent of continuous mode) he actually turns off the IS as it apparently slows the autofocus. Does anyone do this on the Fuji 100-400 and see an improvement in the autofocus?
     
    Last edited: Jun 7, 2017
  6. llevine

    llevine Premium Member

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    I would also add to use a fast shutter speed. Probably at least 1/1000, maybe higher if possible. Birds tend to shake a lot.
     
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  7. TheEmrys

    TheEmrys Premium Member

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    I took the plunge on the current deal and ordered the 100-400 with 1.4x t/c. Can't wait to get back into the wildlife.
     
  8. hooferinsane

    hooferinsane Well-Known Member

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    I have struggled for a couple of weeks using the 100-400 and 1.4tc, until this evening when it clicked for me after turning on af/mf and then also focus peaking, which in my xpro 2 I have a choice of colours. At the 560mm limit, I found autofocus first, then manually tweak the focus ring, and take advantage of the focus peaking. I immediately had sharper results. In the garden tonight, and only one of our more common sparrows but instantly better results. I find you do have to hold the combo hand held differently though to be able to tweak the focus ring, which is a bit more tiring on the elbows.
    All these at 560mm, f8 handheld

    sparra2.jpg

    sparra.jpg

    clematis.jpg

    flower.jpg
     
  9. Macmodus

    Macmodus Premium Member

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  10. skidzam

    skidzam Premium Member

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    Even with OIS, I can't handhold this lens, too big and heavy. If it's windy, fuhgeddaboudit, so I always use a monopod.

    lw.jpg
     
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  11. yukosteel

    yukosteel Premium Member

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    I like how the OIS works, however prefer OIS mode2, when it turns right before the shot and is off other time.

    [​IMG]
     
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  12. hooferinsane

    hooferinsane Well-Known Member

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    Three from yesterday with the 100-400 + 1.4 TC. So much overgrown vegetation around this drying up pond, was quite difficult to get a clear shot, but managed a clearer head shot in the last
    ISO 320, f8, 560mm, 1/200
    All handheld

    heron#3.jpg

    heron#2.jpg

    heron#1.jpg
     
  13. Aragorn

    Aragorn Member

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    It's a good thread, and this lens is very impressive
     
  14. llevine

    llevine Premium Member

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    The lens is excellent, especially in bright light. When the light is reduced, the f5.6 is a limiting factor because you need at least 1/1000 to get a bird in action reasonably sharp. You will need to crank up the ISO but anything above 3200 or possibly 6400 looks soft. When Fuji can improve the sensor's low light ability, it will help greatly in what can be done with this lens.
     
  15. Aragorn

    Aragorn Member

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    @llevine yes for sure, but in this case, it's the same with other brand. When i had my nikon 200-500mm f5.6 it was same. I needed increase my iso.
     
  16. ukaskew

    ukaskew Well-Known Member

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    Carolyn, Bud James and Charzes44 like this.
  17. Bud James

    Bud James Premium Member

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    Nice! Were these handheld? What focal length, etc?

    I am contemplating buying the 100-400 because B&H Photo has a limited time offer that includes a 2c teleconverter for free.

    I already have the 1.4x converter and the excellent 50-140 f2.8 lens. It is razor sharp. If you own this lens too, how does the sharpness and contrast compare with the 100-400?

    Cheers,
    Bud James

    www.budjames.photography
     
  18. Aragorn

    Aragorn Member

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  19. ukaskew

    ukaskew Well-Known Member

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    Yes all handheld. EXIF details are in the Flickr links if you click them but I think pretty much everything was at 400mm. I don't own the TC or the 50-140 so can't comment on that, but the 100-400 isn't exactly wanting for sharpness.
     
  20. Macmodus

    Macmodus Premium Member

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    [​IMG]
     
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