fredmiranda.com Login
This topic is in the 2013 archive. You can read it and like its posts here. It is read only.

Archive 2013Fujifilm SLR Thread

  
 
rattymouse
Offline
Details
p.5 #1Fujifilm SLR Thread
Ok, now I understand. Thanks.
Sep 13, 2013 at 02:51 PM
rattymouse
Offline
Details
Sep 13, 2013 at 04:11 PM
rattymouse
Offline
Details
Sep 14, 2013 at 03:47 AM
Mescalamba
Offline
Details
p.5 #4Fujifilm SLR Thread


One yummy cupcake taken by S5 Pro and my usual 50/1.4 from uncle Zeiss. Somewhere around f4 I guess.
Sep 15, 2013 at 09:24 PM
Krosavcheg
Offline
Details
p.5 #5Fujifilm SLR Thread
I was away driving around Hokkaido. Sitting in the airport - flights are delayed due to typhoon..
Now we are getting more and more info
Brilliant! Will see if there is a DMR available somewhere.
Would be enough to have an R cam with few Leica lenses..which is a bit of a punch into the wallet's face

Started up Aperture once and binned it straight away - I hate when software can't open just one photo but tries to manage files on my behalf. So, no go there.
Sep 16, 2013 at 05:52 AM
carstenw
Offline
Details
p.5 #6Fujifilm SLR Thread
I am pretty sure that Aperture, like Lightroom, has the ability to work with files in place. Try it again, it really does get nice colours with some cameras.

Wait with the DMR until you have tried processing some raws. Lightroom doesn't do so well, producing rather pink reds. I am going to try shooting a bit more tomorrow, and will place some raws on DropBox.
Sep 16, 2013 at 10:58 AM
Mescalamba
Offline
Details
p.5 #7Fujifilm SLR Thread
Oh.. DMR files.

Make sure they are bad photos please. Otherwise I might end with one.

I guess I will never be "proper" photographer. But probably "old gear" collector.

Btw. in case anyone wonders about "noise" on my pics. Its not noise..
Sep 16, 2013 at 12:42 PM
Krosavcheg
Offline
Details
p.5 #8Fujifilm SLR Thread
Mescalamba wrote:
I guess I will never be "proper" photographer. But probably "old gear" collector.


Aren't most of us here?...
Given all variables, it's hard to let go of a system. See it as having a tool for each task..
(works as excuse..)
Sep 16, 2013 at 08:26 PM
Krosavcheg
Offline
Details
p.5 #9Fujifilm SLR Thread
carstenw wrote:
I am pretty sure that Aperture, like Lightroom, has the ability to work with files in place. Try it again, it really does get nice colours with some cameras.

Wait with the DMR until you have tried processing some raws. Lightroom doesn't do so well, producing rather pink reds. I am going to try shooting a bit more tomorrow, and will place some raws on DropBox.


Tried. It doesn't like my way of organising files. Not sure if it's tied in through iPhoto in some weird way...
I binned Lightroom as well - annoying and pointless.
My all time favourite - CaptureOne v3: easy, fast and only generates preview tempt files which are easy to bin using a script.
Sep 16, 2013 at 08:31 PM
rattymouse
Offline
Details
p.5 #10Fujifilm SLR Thread
Lightroom is an amazing program. I've used it since V 1.0. Absolutely essential to my hobby.
Sep 16, 2013 at 08:45 PM
Mescalamba
Offline
Details
p.5 #11Fujifilm SLR Thread


More PP on that than it deserves. Young wine, on my table, one candle and one light comming from my monitor (and 3 light sources from room). Shot, processed without de-noise in SilkyPix. Then runned throught RT for colors. De-noise in PS (Topaz), then bit of PP and re-grained. As specific and intesive sharpening causes what looks like hotpixes it was runned through RT for removing that (and also as part of usual process to convert to sRGB). Downsized using ClearIQZ, bit of sharpening in PS after that. And JPG export with those black bars.

The interesting (sorta) techie part - S5 Pro @ ISO 1250 + C/Y 50/1.4 @ f4.


Now whats that interesting part? Well, ISO 1250 and DR. Its last ISO where you can have that nice insane amount of DR S5 Pro has. It led me to cracking "how exactly" it works. Btw. you still get 12 mpix output at this setting.

I opened SilkyPix (one of converters that support S5 Pro properly) and at anything above, special function of increasing resolution is disabled over ISO 800. Which pretty much means, only one sensor is used (for anything). That also means, there shouldnt be any special DR. Yet, there is DR. How?

Well, answer is in different converter. RPP for Mac (quite decent and free btw.). If you open any file from S5 Pro, you will find out, that its underexposed by 5 eV (exactly 5 eV, if you nail exposure where it should be). Other cameras, like my KM-7D are normal. I didnt test one of my suspects (Samsung NX, newer series), will try it later, Im pretty positive these will be underexposed to.

Thing is, RPP reads true RAW, which means exactly how that file was captured/written on card (also on regular basis makes files with more mpix than anything else). And files from S5 Pro until ISO 1600 are captured 5 eV underexposed. Um, kinda..

In reality, those two sensors are merged inside camera, into one file. One is from normal exposure, second is that underexposed one. RAW file itself is then presented as 5eV underexposed (its easier to implement into RAW developing software I guess).

Apart from regular data, theres another file inside Fuji S5 RAW. It contains whats most likely luminace data from that underexposed sensor (one which captures highlights). No colors. I think its purpose is just to be used to recover top end of highlight data (there isnt more than I would say 0.5 eV leftover, which for example LR/ACR use for highlight reconstruction). Its also thing that causes famous magenta highlights. Why? Well, its just luminace data without colors, but any file in RAW converter needs to have some WB assigned. And you guess it, that file is for some reason presented instead of BW as magenta only.

This theory of my, also explains so called "red tint" phenomen. If you take pic at ISO 1600 with correct WB and one at ISO 100, apart from noise, they will have rather different color in most cases. What will be missing is overshot red. That red comes from second sensor (highlight one). Or at least thats what I guess..

Now why it sometimes happens and sometimes not (on base ISO). Well, I figured it some time ago. Its WB. If you shoot with for example Daylight preset (I have WB tweak for -3 on red), then it never happens. You can then shift WB in RAW developer as you wish and its ok.

But when you let it on AWB, then it can cause quite nasty red spikes. My guess is that those two sensors outputs are combined in camera with WB, not just as RAW data. Which ofc is what causes then to have bit too much red when you shift WB later in RAW developer. Also reason why its so hard to make color profile for S5 Pro. Cause profiling something that has unpredictable reds, is bit hard.

To sum it up. Reason why there are red spikes, bad color profiles and a lot of DR even in unsupported RAW developers is simple. RAW file is "cooked". It makes probably Fuji second after Kodak, who cooked RAW files.

And reason for some RAW converters to not be able to recover that bit of DR left is simply that they read only one part of file and not that one designed for highlight recovery.

At least thats my theory..

Edited on Sep 16, 2013 at 08:52 PM · View previous versions
Sep 16, 2013 at 08:45 PM
rattymouse
Offline
Details
Sep 16, 2013 at 08:45 PM
Mescalamba
Offline
Details
p.5 #13Fujifilm SLR Thread
rattymouse

Nice colors.


Krosavcheg wrote:
Mescalamba wroteI guess I will never be "proper" photographer. But probably "old gear" collector.
Aren't most of us here?...
Given all variables, it's hard to let go of a system. See it as having a tool for each task..
(works as excuse..)


Yea.. that was my excuse to get S5 Pro. As my KM-7D lacks DR, I thought.. well this camera can do colors and DR. Im still using both, probably cause I have only one lens for each.

No reason for me to buy DMR tho. At least no logical. Well.. maybe 16-bit RAW files. Yep, that could do.
Sep 16, 2013 at 08:55 PM
Krosavcheg
Offline
Details
p.5 #14Fujifilm SLR Thread
Mescalamba wrote:
rattymouse

Nice colors.

Krosavcheg wrote
Mescalamba wroteI guess I will never be "proper" photographer. But probably "old gear" collector.
Aren't most of us here?...
Given all variables, it's hard to let go of a system. See it as having a tool for each task..
(works as excuse..)
Yea.. that was my excuse to get S5 Pro. As my KM-7D lacks DR, I thought.. well this camera can do colors and DR. Im still using both, probably cause I have only one lens for each.

No reason for me to buy DMR tho. At least no logical. Well.. maybe 16-bit RAW files. Yep, that could do.


The Minolta 35-70 you are shooting is on KM-7D? Or you talking about native mount lenses?
I had a look at M9 prices here and they are rather steep. I would probably rather trade my 5Dm3 for 1DsM3 instead of spending on DMR + M9 (adding lenses will bring all this circus to a near MFD level, imho).
In that case one might as well get a P40+/P45+ and get on with it....

Edit: Ratty - beautiful colours indeed!
Sep 16, 2013 at 09:19 PM
Mescalamba
Offline
Details
p.5 #15Fujifilm SLR Thread
Its in my profile. First version of 24-50mm/f4. Probably part of "Beercan" series as its constant f4. FOV eqiv is that 36-75mm, pretty much "kit lens" .. and not much better than one. With bit of PP nudge, its decent.. And yep, its on KM-7D. No other camera to use it on.

Zeiss was bit more "brain" choice as I need only right adapter or another Leitax to use it on something else. Thats pretty much benefit of using C/Y, ZF or Leica R lens, they can be used on anything. One is essentialy "system free" with them. Most users when they want to switch camps, need to sell all lenses and cameras. We just need different adapter..
Sep 16, 2013 at 09:34 PM
Krosavcheg
Offline
Details
p.5 #16Fujifilm SLR Thread
I never get to read people's profiles on average.. But it did answer my question.
Limiting oneself to CY, ZF or R mount is pretty much like living on Foie Gras, black caviar and Veuve Cliquot - pain at first, but one can get used to it..

Is all Leitax reversible? Afaik there are some un-leitaxable lenses which could easily be mounted on an EF mount cam with an adaptor (speaking of Fuji's F-mount).
Then again, I know you are a colour guy, and I can relate to that.

Sorry, above I mentioned M9 as a reflex - was referring to R9 (DMR related...)

Sep 16, 2013 at 11:21 PM
rattymouse
Offline
Details
Sep 17, 2013 at 07:34 AM
Mescalamba
Offline
Details
p.5 #18Fujifilm SLR Thread
Krosavcheg wrote:
I never get to read people's profiles on average.. But it did answer my question.
Limiting oneself to CY, ZF or R mount is pretty much like living on Foie Gras, black caviar and Veuve Cliquot - pain at first, but one can get used to it..

Is all Leitax reversible? Afaik there are some un-leitaxable lenses which could easily be mounted on an EF mount cam with an adaptor (speaking of Fuji's F-mount).
Then again, I know you are a colour guy, and I can relate to that.

Sorry, above I mentioned M9 as a reflex - was referring to R9 (DMR related...)



Most of Leitax is reversible. As far as I know only certain ROM lens are really hard to convert (Im not sure its possible to make ROM lens back from them). Switching between Leitax adapters is easy, you just take away one you use (just few screws) and change it for new one. Tho between lens leitaxed to Nikon and Canon you can do with decent Nikon F to Canon EF adapter. Some people use ZF lens on Canon like that, cause they have regular aperture ring.
Sep 17, 2013 at 09:03 AM
rattymouse
Offline
Details
Sep 17, 2013 at 02:19 PM
Krosavcheg
Offline
Details
p.5 #20Fujifilm SLR Thread
Mescalamba: that would be a good solution.
Ratty: great blues going on in the shot. I recall similar shots on 5Dm3 shift blue hues towards magenta. 5dc and 20d were closer.
Sep 17, 2013 at 05:35 PM
FM ForumsLeica & Alternative GearJoin Upload & Sell
  
 

You are not logged inLog inRegister