XF56mm F/1.2 R strange behaviors confirmed in store, more tests needed.

Started Aug 25, 2014 | Discussions thread
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XF56mm F/1.2 R strange behaviors confirmed in store, more tests needed.
Aug 25, 2014


i use a X-T1, a XF56mm F/1.2 R and a XF23mm F/1.4 R with love.

But 2 strange behaviors on the XF56mm F/1.2 R invite me to write this post in order to ask you more tests.

Out of my studio, i shoot in manual with the "What You See Is What You Get" option.

  1. The first strange behavior i have is that in manual focus mode, i have a +1/3 stop delta between "What You See" and "What You Get". Moreover, i dont have this delta in auto focus mode.
  2. The second strange behavior (the most important) is that at F/1.2, i don't get +1/3 stop on all the frame in comparaison at F/1.4 but only on the center. You will be able to see it on the images below.

I don't have these both behaviors with the XF23mm F/1.4 R.

So, i asked to a french camera store to be able to test 2 others XF56mm F/1.2 R on my X-T1 and on 2 others X-T1.

We have been surprised to observe the same strange behaviors on all combinaisons.

Then, i would like to ask you if any owner of these equipments could run the same test as below.


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"Nobody ever smiles in my pictures." Erwin Olaf

 Naninou's gear list:Naninou's gear list
Fujifilm X100T Fujifilm X-T1 Fujifilm XF 23mm F1.4 R Fujifilm XF 56mm F1.2 R Fujifilm XF 56mm F1.2 R APD
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