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X100T keeps missing focus
Old 05-17-2017   #1
AlexBG
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X100T keeps missing focus

Been taking a few pictures on the kids this morning, age 2 and 4 so they move around a lot. It's indoors so not very bright but the camera keeps missing focus. Been playing around with the settings, currently I've found best continuous focus multi point but it still misses 1 in 8 shots.

I changed from an X-T1 and kits lens to the x100T and this is my only complaint of the camera, the X-T1 I wouldn't have had a problem.

Anyone got any good settings that work or is it just the camera?
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Old 05-17-2017   #2
Dogman
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The X100 series cameras were never noted for being great on moving subjects. The X-T1 and X-T2 are better for this type of photography but even they are a little behind the best of the DSLRs.
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Old 05-23-2017   #3
bhop73
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Gotta agree with Dogman. I had the original X100, now I have a T. Both aren't so great with moving subjects, although the T is better. (but it doesn't bother me since I don't shoot moving subjects often) Your workaround with continuous is about the best these cameras can do
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Old 05-23-2017   #4
infrequent
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You will likely have better results using the back button focus method but 1 out of 8 missed shot is likely not a bad result given the subject and the known limitations of the x100 cams.
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Old 05-23-2017   #5
jsrockit
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Quote:
Originally Posted by AlexBG View Post
I changed from an X-T1 and kits lens to the x100T and this is my only complaint of the camera, the X-T1 I wouldn't have had a problem.
Maybe in continuous the X-T1 may have done better with certain lenses, but in single point they are very similar. Was this indoors? If so, the X100T is not rated to focus well in very low EVs.
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Old 05-23-2017   #6
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Moving children and the X100 series are a no no.
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Old 05-24-2017   #7
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I'm looking for a 'cheap' Nikon D4s to photograph my kids in action...

My X-T1 is not really up to the task, especially at close range. None of my cameras is.
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Old 05-24-2017   #8
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Hmmm, how did people photograph kids playing before auto focus?
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Old 05-24-2017   #9
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Quote:
Originally Posted by jsrockit View Post
Hmmm, how did people photograph kids playing before auto focus?
A lot of younger photographers have grown up without ever having used a manual focus lens, so for them auto focus is the norm. Now they have kids. When auto focus lets them down, they look for a technological solution rather than adjusting their shooting style to include things like anticipation. My guess is that a significant portion of the out of focus shots are not as a result of lack of auto focus speed, but of the auto focus focusing on the wrong thing. You have to make sure the subject is in the auto focus area which requires you to think ahead. Another portion are likely out of focus due to motion blur, because the shutter speed selected by the program mode is inappropriate for the situation. That also requires some forethought. The OP did mention that it was not very bright when he was shooting, didn't he? Likely the camera selected a slow shutter speed coupled with a large aperture so you get the worst of both for action being in focus.
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Old 05-24-2017   #10
aizan
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what kind of photos are people trying to take, anyway? i can't imagine why anyone would want to remember their kid running around the house going crazy.
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Old 05-24-2017   #11
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Quote:
Originally Posted by ptpdprinter View Post
The OP did mention that it was not very bright when he was shooting, didn't he? Likely the camera selected a slow shutter speed coupled with a large aperture so you get the worst of both for action being in focus.
However, the X100T doesn't do well in light at less than 0EV. So, you can blame the AF in these circumstances. The latest X100F is closer to the -2Ev / -3Ev range. Going manual focus and or half press AF and anticipating is all you can do with the X in light lower than 0EV.
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Old 05-26-2017   #12
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Quote:
Originally Posted by ptpdprinter View Post
A lot of younger photographers have grown up without ever having used a manual focus lens, so for them auto focus is the norm. Now they have kids. When auto focus lets them down, they look for a technological solution rather than adjusting their shooting style to include things like anticipation. My guess is that a significant portion of the out of focus shots are not as a result of lack of auto focus speed, but of the auto focus focusing on the wrong thing. You have to make sure the subject is in the auto focus area which requires you to think ahead. Another portion are likely out of focus due to motion blur, because the shutter speed selected by the program mode is inappropriate for the situation. That also requires some forethought. The OP did mention that it was not very bright when he was shooting, didn't he? Likely the camera selected a slow shutter speed coupled with a large aperture so you get the worst of both for action being in focus.
Agree with this, but as I have shot a lot of film as well I always make sure that the shutter speed is fine to stop motion blur and when I use one of my rangefinders I generally focus on where I expect one of the kids to be and take the shot when they are at that distance. When I use digital I'm more of a spray and pray shooter when it's shooting the kids. I just expect technology and the camera to do it for me.
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Old 05-27-2017   #13
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Even with a D700 I used offf-camera flash to photograph young family member in low EV light. I used a manual flash on a flat foot stand, triggered via RF, placed a up high (shelves, etc). I bounced the flash off the largest possible surface (usually a wall-ceiling corner). You can get started with about $100 of flash gear (Yongnuo). TTL is redundant (especially with raw files). Bouncing the light avoids the on-camera flash look. I used the lowest possible flash duration and fresh NiCd batteries to minimize flash recycle times. I used raw files with ISO 800 and below. Typical residential rooms usually aren't too big. But sometimes I used a second flash. If the walls are a bright color, this can cause color balance issues. A surprisingly small amount of supplementary light goes a long way.

The increase in DOF and reduced shutter times greatly increased my success rate. If the bounce surface area is large, the facial shadows are usually not an issue. Of course the AF performance is not improved.

I continued this approach with the X100, X-Pro 1, X-T1 and now the X100T. The latter two cameras focus quite reliably with optimized AF menu parameters. I also used pre-focuing, the shutter half-press JR mentioned above along with past experience with manual focus cameras. My in-focus keeper rate was similar to the D700's. The former two cameras required more reliance on methods I used with manual focus cameras.
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Old 05-27-2017   #14
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I used a Leica M6 when my children were small. I presume a high end Nikon or Canon DSLR would be the only automatic equivalent.
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Old 05-28-2017   #15
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Quote:
Originally Posted by aizan View Post
(...) i can't imagine why anyone would want to remember their kid running around the house going crazy.
No? Really?

I guess you either don't have kids, or you don't like them.
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Old 05-28-2017   #16
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I would suggest checking out Kevin Mullins' shots of his children and he primarily shoots with his Fujifilm x cameras. I cannot imagine why one would not take photos of their kids running around the house!
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Old 05-28-2017   #17
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Quote:
Originally Posted by fireblade View Post
Moving children and the X100 series are a no no.
Really?

X1CS0320 by Jean-Yves, on Flickr


X1CS0315 by Jean-Yves, on Flickr


hosedown by Jean-Yves, on Flickr

I have success far more often than not, and that's usually just using bog-standard half-press autofocus.
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Old 05-28-2017   #18
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Quote:
Originally Posted by jsrockit View Post
Hmmm, how did people photograph kids playing before auto focus?


30 years ago, when my eyes and my reflexes and my timing were excellent (and my hands were oh so steady because my pulse was normally only 50 bpm), I shot sports for a local newspaper -- with manual focus lenses/cameras. I was quite good at it.

Nowadays my hit rate photographing moving subjects while focussing manually is not very good anymore. Anticipation sometimes works better.

All autofocus system I know (Fuji X-T1, Nikon D7000, Pentax K-3) are far from perfect for action photography.
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Old 05-28-2017   #19
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It misses 1 out of 8 shots? So 7 out of 8 are perfect? That's an incredible performance I think. Especially for that not really perfect AF in that camera.
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Old 05-28-2017   #20
AlexBG
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Quote:
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It misses 1 out of 8 shots? So 7 out of 8 are perfect? That's an incredible performance I think. Especially for that not really perfect AF in that camera.
This is one of the reasons I asked for other peoples settings. I didn't know if there was something that i was doing rather than the camera settings.

I know it is never going to be a pro spec DSLR, I'm happy with the autofocus I just wanted to know if there was a way to improve it.
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