Best Quality Mirrorless Cameras
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Fuji Xt1 autofocus speed | Nick Lukey

Fuji Xt1 autofocus speed | Nick Lukey | Best Quality Mirrorless Cameras | Scoop.it

Given the number of questions asked about the speed of focus and frame rate of the new Fuji Xt1, yesterday I had an ideal opportunity to try this, and find out for myself how the camera coped with fast moving action or in this case wildlife. The settings I used were Capture rate set to CH/Auto ISO/ AF set to release priority/ Focus mode set to AFC/Face detect off/High performance off. Fortunately for me I chose a place where flying bird action is pretty constant throughout the day. A pair of Greylag geese spotted some feeding going on and flew across the lake for a look. Using the 55-200 zoom I aquired focus and hit the shutter, I shot 10 frames in total and only the last 2 frames showed oof, due to losing focus as the birds dropped into the water. Pretty amazed at this set, given the 55-200 is not the easiest lens to work with. The tracking works a treat. It was fortunate I guess  that the 2 birds stayed at a similar distance to each other. Hope you find some interest in this wee test.....


Via Thomas Menk
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The trinity: Fujifilm X-Pro1 vs. X-E1 vs. X100 (Part 2) - Autofocus | Alexander Sasha Starcevic

The trinity: Fujifilm X-Pro1 vs. X-E1 vs. X100 (Part 2) - Autofocus | Alexander Sasha Starcevic | Best Quality Mirrorless Cameras | Scoop.it


It took a while for my second post in my comparison. The last couple of days have been busy. I've had the chance to shoot the three cameras at some social events here and there - running into many low-light situations. So my next point of comparison is:

Autofocus:
I love the way all three cameras look and handle with all those external controls. And I love the excellent lenses - particularly the Fujinon 35mm 1.4. However, I am again and again frustrated by the performance of the autofocus. From my experience, there is no difference between the Fujifilm X-E1 and the X-Pro1 in terms of autofocus performance with the latest firmware on both cameras. Similar findings have been made elsewhere. Autofocus struggles in low light and with backlit subjects. I came from using manual lenses on a Sony Nex-7, so I am not a "spoiled" DLSR-user, but I somehow feel I am missing much more shots with the Fujifilm X-Pro1 and X-E1 than with manual focussing on the Nex-7 (using focus peaking). I had several situations where the AF (slowly) hunted and my subjects were getting impatient. Of course I am really talking low-light here - shooting around ISO 1600 to 6400 with the lens at 1.4. Quite surprisingly, my impression is that the Fujifilm X100 actually seems to struggle less with autofocus than the other cameras (comparing those with the 35mm 1.4). Maybe the reason is just that the X100 needs to move less glass, so hunting is possibly quicker. Nevertheless, I felt less frustrated with the X100 than with the other two cameras. I would be very interested hearing other peoples thoughts on this.

From the point of view of autofocus performance, I would definitely keep the X100, because the main purpose of that camera (to me) is that it can always with me. For such a camera, I don't expect lightning fast AF performance. However, I would expect a little more from the X-Pro1 and the X-E1.

Autofocus for me is really the one reason that sometimes makes me doubt, whether switching to Fujifilm X system was really the right decision, considering that a small DSLR (e.g. Pentax K-5 II) would just give me much more reliable autofocus. Autofocus is perfectly OK if you shoot outdoors and shoot mainly static or slowly moving subjects. So for one part of my photography this is perfectly OK. However, shooting my children outside, at home or at events is currently another big part of my photography. So I would really like to own a main camera system that can cover both needs......


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Thomas Menk's curator insight, December 19, 2012 3:30 AM

Part1:

 

http://www.fujifilm-x-opinions.net/2012/12/the-fujifilm-x-trinity-fujifilm-x-pro1.html

 

Jim Radcliffe's comment, December 19, 2012 5:19 PM
This has not been my experience with the X-Pro1 and I use all three of the lenses with the 18-55mm arriving tomorrow. I honestly had more AF issues with my (now sold) Canon 5D and 5D MKII.
Nick Lukey's comment, December 19, 2012 7:12 PM
Personally I think the X100 and the X pro are about the same in focus performance. I found that whilst a beautiful camera the real let down was the total kludge of a menu system. Which made any settings changes seriously slow. I'm loving the X Pro, it feels good in the hand and is far easier to operate, the images are stellar.