Introducing Fuji X100S

gho said:
Cool! I just read about the phase detection sensor. If I interpret that correctly, the split image focus indicator does not depend on information transmitted by the lens but only on the image projected onto the sensor.
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That would make it technically very easy to implement this in a X-pro2 or X-E2 😎


That might get Fuji a really much bigger part of the camera sales pie, and anyone could enjoy a Leica-like experience!
 
back alley said:
how so?
exchange sensors?
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Here is a nice demo how phase shift detection works in SLRs.

http://graphics.stanford.edu/courses/cs178/applets/autofocusPD.html

If I get it correctly, the main principle is that the two detectors (micro lens) in that diagram are actually on the sensor or something similar. The distance between the two spikes in the lower diagram are actually proportional to "misfocus". This could be read electronically and used to align e.g. split images in the viewfinder or to drive the autofocus motor in a feedback loop. In addition, it seems to be possible to detect back and front focus. Actually pretty cool.
 
"Also new to the FUJIFILM X100S is the world’s first (*5) “Digital Split Image” feature, which displays dual images on the left and right to be lined up for manual focusing. "

A couple of months ago I had posted a "wouldn't it be nice if...." thread, and a lot of people here on RFF said there was absolutely no need for the above. I think it is highly gratifying to see that Fuji had apparently been thinking that there was merit in such a feature. 😎

http://rangefinderforum.com/forums/showthread.php?t=125876&highlight=focus+peaking
 
kxl said:
"Also new to the FUJIFILM X100S is the world’s first (*5) “Digital Split Image” feature, which displays dual images on the left and right to be lined up for manual focusing. "

A while back I had posted a "wouldn't it be nice if...." thread, and a lot of people here on RFF said there was absolutely no need for one. I think it is highly gratifying to see that Fuji had apparently been thinking that there was merit in such a feature. 😎
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Yes, one could also think about it as a byproduct of the improved autofocus. I mean, implementing the split image is only a software matter, if "projected" only into the EVF or into the screen image. Or at least I think so.
 
gho said:
I mean, implementing the split image is only a software matter, if "projected" only into the EVF or into the screen image. Or at least I think so.
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Exactly the point of my previous thread - a software based split image
 
back alley said:
my original question was about the new feature being made through a firmware upgrade on the xp1/xe1...in reply to someone hope that it would be a retrograde change.
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Since the Fuji guys video made a point about the phase detection cells of the new sensor, I believe the answer will be "no" for retrofit to xp1/xe1. But focus peaking should be available.

This should really help in low light situations when the af used to hunt due to not enough contrast. 😀.

I wonder how the af decides between what is right, contrat or phase detect cells or does it use phase detect to do initial fast focus and contrast to fine tune if there is enough light... Be interesting to c what the algo is for deciding...


Gary
 
Regretted selling my x100 after picking up an XP1 and M9. Didn't care for the XP1 and sold that straight away, but I've already put in a preorder for the x100s and am looking forward to the improvements.

Wonder if this version of the x100 will make me consider selling my M...
 
digitalintrigue said:
You be the judge.

http://youtu.be/C0tNlfFcgQ0
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Oh well, I guess, if the autofocus is that lightning-fast, using the manual focus would not be the primary focusing option on the X100s. But if the split image feature is implemented into upcoming cameras with a lens mount, that would drastically improve the focusing with manual lenses. I guess implementing the split image as in the X100s is only one possible option. It could be also possible to emulate a rangefinder patch. The main point I am so enthusiastic about is that the phase detection system not only seems to improve the autofocus speed, but also seems to allow for the implementation of a lens-coupling independent focus indicator in the viewfinder, such as an emulated rangefinder patch.
 
Extreme gas... I need some beano. its bad.

Just to clarify, the general consensus from the Fuji press release is that the split focusing is accomplished via the phase detect pixel present on the x-trans v.2 sensor. In other words, its a hardware and software solution.

Now, I am not sure the about the contrast/focus peeking feature being a hardware issue.

IMO, I do not understand why fuji would release a firmware update that incorporates these feature into the x100 mostly due to the fact that they want you to buy an x100s.

However, they have shown an incredible ability to respond to their customer's request.

The most revolutionary digital camera to be released in some time just got more revolutionary. Awesome. Oh and only for a $100 premium........
 
I'm quite happy with my X100, it's a wonderful camera. I'll only feel like upgrading if the improvements are extreme and address the points I don't like much about the camera, say, amazingly better higher iso capabilities (although the actual is great already), ridiculously faster and more precise AF, that kind of thing. In fact my only rant about the X100 is the AF focusing speed, which they seem to have nailed...

edit: and the DAMN 1m macro/normal focus limitation for AF. that's just so annoying.
 
kxl said:
Exactly the point of my previous thread - a software based split image
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Before you get overly impressed with yourself, this has been discussed for years, but the advent of on-chip PDA and fast processors was needed... and of course the will to bring this to the consumer.
 
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