IR: Fujifilm Interview With Toshihisa Iida and Makoto Oishi at CP+ 2019
Fujifilm has been giving a number of interviews recently and right here is yet one more one from CP+2019 after the one posted the other day. This interview is filled with technical particulars which you could learn into and picture useful resource obtained misplaced speaking about PDAF a couple of occasions so that you may wish to learn their interview if my excerpts aren’t clear sufficient. Also, Fujifilm offered IR with some slides about their PDAF system that I’ve reproduced. Below are excerpts from the interview that cowl all the key particulars:

  • Canon believes that the digital camera market will contract by half, over the subsequent two years, however Fujifilm believes it might develop given the suitable improvements.
  • The Asian market is big so some markets may develop quite a bit whereas others contract, particularly China the place many don’t personal a digital digital camera but.
  • Fujifilm thinks that full-frame might be one-third of the market by worth.
  • “Two-thirds of the market is non-full frame, which is predominantly APS-C, Micro Four Thirds, and some medium-format as well.”
  • Fujifilm sees this reality as a possibility to develop their APS-C and Medium format digital camera base
  • Their latest monetary outcomes present round 10% progress for them within the digital camera market.
  • They attribute this progress to the Fujifilm X-T3 and Fujifilm GFX50R
  • Fujifilm X-T3 offered higher than anticipated
  • It even offered 40% higher than the very talked-about X-T2 throughout the identical interval
  • Fujifilm isn’t satisfied that almost all clients decide a system on sensor dimension alone
  • The Fujifilm X-T3 was designed from the start to drive the beginning worth down $200
  • The Fujifilm X-T3 and X-H1 cannibalize one another’s gross sales slightly, however they repriced the X-H1 so it made sense once more
  • The X-H line will proceed on and it’s not nearly IBIS, but additionally type issue.
  • The X-T will proceed being compact with dials, however the X-H lets them get slightly cumbersome and add issues like the highest LCD
  • The Fujinon XF200 f/2 isn’t only for sports activities and they don’t wish to promote it that method
  • The Fujinon XF200 f/2 is nice for portraiture, concert events and extra
  • Fujifilm desires to have a presence on the 2020 Olympics, however they point out video is simply as necessary as images on the occasion.
  • They wish to help photographers and videographers and broadcasters.
  • The Fujifilm GFX 50R is promoting higher than anticipated and the Sendai manufacturing unit may be very busy
  • The Fujifilm GFX100Mpx is nearly last {hardware}, however the firmware continues to be very early and IBIS isn’t even working but.
  • The IBIS system is proving to be very difficult
  • Photokina 2018 simply had a mockup
  • They are nonetheless engaged on picture high quality
  • We ought to see Fujifilm GFX100Mpx earlier than the top of June/first half of 2019
  • Now they’re saying round $10ok
  • The Fujinon GF32-64mmF4 is in style with the GFX50S
  • The Fujinon GF45mmF2.eight is in style with the GFX50R
  • Street photographers are into the GFX50R
  • GFX50S house owners are inclined to have extra lenses than GFX50R house owners
  • Fujinon GF45-100mmF4 coming in 2020
  • They are contemplating GFX lenses with sooner apertures sooner or later
  • Fujifilm tries to make lenses for everybody, however some requests like an XF100mm f/1.1 could be very costly
  • We can anticipate to see XF AF velocity in future GF lenses
  • The GFX100Mpx has the identical form of sensor design because the X-T3 with copper wiring that makes for greater readout speeds and decrease energy consumption.
  • The GFX100Mpx additionally has related phase-detection pixel protection and construction because the X-T3 for it’s PDAF pixels
  • The sensor within the GFX100Mpx is a big leap over the GFX50
  • The Fujifilm X-T30 already has the improved AF software program that will likely be coming to the X-T3 quickly.
  • Picking horizontal or vertical PDAF pixels is best with CMOS sensors, however vertical are used essentially the most so it’s just about the usual with mirrorless cameras.
  • They might do a cross sort like Olympus in the event that they felt it was wanted
  • The decision of the vertical PDAF is nice sufficient that you simply don’t really want cross sort, plus you may simply tilt the digital camera slightly and it’ll monitor like a cross sort if needed.
IR: Fujifilm Interview With Toshihisa Iida and Makoto Oishi at CP+ 2019
Fujifilm’s newest on-sensor phase-detect system is unusually versatile, containing each very closely-spaced focus pixels in addition to one spaced additional aside. Their AF system makes use of all of the AF pixels to carry out phase-detect calculations for six completely different spatial frequencies concurrently, so it may possibly deal with each extraordinarily nice element in addition to low-contrast and low-light topics.
IR: Fujifilm Interview With Toshihisa Iida and Makoto Oishi at CP+ 2019
The X-T3’s on-chip phase-detect AF system elevated the quantity of AF info by an element of 4 over their earlier expertise. There are twice as many focus pixels, and it now performs the PDAF calculations for six vs three completely different spatial frequencies.


IR: Fujifilm Interview With Toshihisa Iida and Makoto Oishi at CP+ 2019
Besides now taking a look at six completely different spatial frequencies vs three, the sensor within the X-T3 may “bin” or mix information from focus pixels on every row, considerably enhancing low-light efficiency.
IR: Fujifilm Interview With Toshihisa Iida and Makoto Oishi at CP+ 2019
Fujifilm has been working exhausting on autofocus, with dramatic enhancements in AF success price in quite a lot of eventualities. Their newest tech has very closely-spaced pairs of AF pixels, which lets them distinguish very nice element, one thing I believe could also be distinctive to their methods


IR: Fujifilm Interview With Toshihisa Iida and Makoto Oishi at CP+ 2019
Phase-detection autofocus pixel and RGB shade filter array format of an X-Trans CMOS four picture sensor. The ZA and ZB pixels proven every type one half of a phase-detection AF pair.


  • There is a few vertical sensitivity already from their sensor design
  • CMOS sensors learn your complete scene earlier than making changes
  • Their present sensor can learn sign and part pixel individually
  • This is nice for video as a result of they’ll optimize the sign stage for the phase-detect pixels with out affecting the publicity of the picture pixels
  • Over two million out of 26 million at the moment are used for PDAF
  • The quantity of PDAF pixels is why low gentle AF is getting higher and is why high-frequency topics like textures focus higher now
  • X-T3 AF has twice as many PDAF pixels because the X-T2 and it processes them with twice as a lot spatial frequencies
  • The X-T3 is coping with about four occasions as a lot PDAF information because the X-T2
  • Since they learn all the information earlier than making changes they may make it do cross sort
  • Their AF is mainly restricted by their algorithm and processing energy, however proper now it’s extra restricted by processing energy.
  • ZA/ZB pairs are shut horizontally, however not vertically so AF decision wouldn’t be equal
  • Vertical AF correlation hasn’t actually been a necessity but additionally
  • Fujifilm may bin their PDAF pixel information to learn higher in low gentle
  • Fujifilm doesn’t actually assume anybody has a competing digital camera to go up towards the Fujifilm GFX100Mpx
  • Fujifilm isn’t certain they wish to do a multi-shot high-res mode as a result of shifting the large sensor isn’t very straightforward
  • Not certain what number of stops of IBIS efficiency they’ll get with the GFX100Mpx
  • Fujifilm GFX and X are being developed collectively as a result of they don’t separate their groups
  • So their {hardware} and software program is developed throughout methods
  • Both groups even have one price range
  • Fujifilm’s workforce will make extra GF or extra X lenses primarily based on buyer suggestions
  • When designing XF lenses the problem is making the lens small
  • When designing GF lenses the problem is aberrations
  • Lenses just like the XF33mm f/1.Zero are a distinct form of problem to design
  • Fujifilm designs their lenses to have an excellent sharp level when focusing and to not simply have a typically sharp space like others, which is likely one of the benefits of mirrorless.
  • DSLR want a common focus area as a result of they aren’t as correct at AF
  • Easier to make contract detect AF lenses work with PDAF than PDAF lenses work with distinction detect

by way of imaging-resource

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