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Author Topic: Sigma DP Quattro  (Read 154292 times)

capital

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Re: Sigma DP Quattro
« Reply #220 on: July 07, 2014, 06:05:09 pm »

Hi paul o,

Can you speak more to what you mean by non closeup distances turning your mind?

So far I've seen samples that apparently contradict each other.

Thank you.
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paul_o

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Re: Sigma DP Quattro
« Reply #221 on: July 07, 2014, 11:58:17 pm »

This comment is based solely on viewing the aperture series posted on diglloyd.com.  Two series were posted. One of a studio setup with dolls taken at a fairly close distance and the other of a building with mosaics taken at a much further distance.  In both cases the Merrill version is shown along with the Quattro.  When I saw the first post of the dolls image, I was disappointed in the Quattro's performance specifically on the basis of resolution.  When I later saw the mosaic images, I thought that the Quattro was close to the Merrill, although lacking a bit of micro contrast when compared to the Merrill images.   
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palpman

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Re: Sigma DP Quattro
« Reply #222 on: July 08, 2014, 03:46:13 am »

Yes, the Quattro is very good, I find the negative comments a bit exagarated.

Cheers,
Bernard


Hi Bernard, don't get me wrong, the Quattro is certainly very good, even excellent. But what makes the Merrill astonishing is the pure Foveon look, and apparently most people are willing to live with the drawbacks of the technology to get these results. In the case of the Quattro, I'm not sure it's worth it. I'd rather have the Merrills plus a Fuji x100 for instance, for low light, instead of the Quattro. What I mean is that the look of Quattro shots are not special enough for me to forgive its below average iso performance and usability compared to other cameras.
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Hulyss

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Re: Sigma DP Quattro
« Reply #223 on: July 08, 2014, 10:32:21 am »

Hi Bernard, don't get me wrong, the Quattro is certainly very good, even excellent. But what makes the Merrill astonishing is the pure Foveon look, and apparently most people are willing to live with the drawbacks of the technology to get these results. In the case of the Quattro, I'm not sure it's worth it. I'd rather have the Merrills plus a Fuji x100 for instance, for low light, instead of the Quattro. What I mean is that the look of Quattro shots are not special enough for me to forgive its below average iso performance and usability compared to other cameras.

Yes I agree. I given my impressions in an humoristic review over HERE :)

Seng Merrill did a very good photo to show what we, foveon addicts, are trying to describe. It is stargazingly detailed, yes, but extremely flat and lifeless. And I trust my photographers eyes to tell me when a photo is flat and lifeless or not.

Photo courtesy of Seng Merrill :

https://www.flickr.com/photos/seng_merrill/14410642210/sizes/o/

By experience I see roughly what is the lighting so I can say with confidence : Do the same photo with a DP3m and you will see the difference even if there is some little flaws in the shadows.

But this is just non important compared to the scientists warning from today : Mount Fuji is in Critical state.
« Last Edit: July 08, 2014, 11:19:13 am by Hulyss »
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NancyP

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Re: Sigma DP Quattro
« Reply #224 on: July 08, 2014, 11:30:17 am »

Hulyss, where did you see the "critical" report on Fuji? A Google search doesn't pull up anything recent.
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Hulyss

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Re: Sigma DP Quattro
« Reply #225 on: July 08, 2014, 11:39:48 am »

« Last Edit: July 08, 2014, 12:02:03 pm by Hulyss »
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Alan Smallbone

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Re: Sigma DP Quattro
« Reply #226 on: July 08, 2014, 01:44:08 pm »

Well mine arrived today, a day early, FedEx decided to deliver early. So that is cool. I was hoping batteries would be charged, but they are not, so charging batteries. Also just holding the camera is kind of awkward, not very comfortable to grip with one hand. Maybe I will get used to it. Heavier than I thought it would feel, feels solid. Hood is large.

Alan
 
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Alan Smallbone
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NancyP

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Re: Sigma DP Quattro
« Reply #227 on: July 09, 2014, 05:28:40 pm »

Thanks, Hulyss. I gathered from the Science article and News and Views coverage that the observation of the 2011 seismic data grid (very dense in Japan) came up with a possible new measure of instability that seems to be high at Fuji and several other volcanoes in the same geologic chain. There has been no new data released confirming that that measure has spiked higher in the last few days. My French is so-so, and I read L'Express article rather quickly.
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AlexRobinson

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Re: Sigma DP Quattro
« Reply #228 on: July 10, 2014, 05:00:41 am »

Just got my Quattro today, can't wait to test it out this weekend. Certainly is a lot bigger than my DP1M…
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Kevin Raber

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Re: Sigma DP Quattro
« Reply #229 on: July 10, 2014, 06:05:15 am »

I just received mine today too. I will be taking it to Svalbard and use it on the Svalbard, Polar Bear workshop we are running.  When I get back I'll turn it over to Michael and he will do his thing with it and we will have a report here on LuLa.

It certainly is a different feeling camera.  Not all all ergonomic,  Seems slow to display an image after exposure. Rear panel controls are set up different.  I'll dive into the manual as well as take some images during the day.  Not thrilled about having to use their software. 

Let's see how it does in the arctic.

Kevin Raber
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Hulyss

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Re: Sigma DP Quattro
« Reply #230 on: July 10, 2014, 09:07:45 am »

I just received mine today too. I will be taking it to Svalbard and use it on the Svalbard, Polar Bear workshop we are running.  When I get back I'll turn it over to Michael and he will do his thing with it and we will have a report here on LuLa.

It certainly is a different feeling camera.  Not all all ergonomic,  Seems slow to display an image after exposure. Rear panel controls are set up different.  I'll dive into the manual as well as take some images during the day.  Not thrilled about having to use their software. 

Let's see how it does in the arctic.

Kevin Raber

Have a good trip Kevin !

I will review the DP3Q or the SDQ (whatever it will be) even if the ergonomic is not my cup of tea either. The late cameras are always tweaked in some way :)
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Alan Smallbone

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Re: Sigma DP Quattro
« Reply #231 on: July 10, 2014, 11:17:10 am »

I have had it for a couple of days. The ergonomics are not that great, at least in my opinion. I find it uncomfortable to hold after a period of time. When taking a lot of pics it seems to get a little warm too.  I too find the display after shooting to be slow, it is slow writing to the cards, I expected that, but I am spoiled with my other cameras. Mine seems to expose a little on the hot side, but I am still getting used to it. As to be expected it hard to see the lcd in bright sunlight, hard to manual focus, at least for me as I wear glasses. I see some strange softness on parts of the image, not sure if the lens element on mine is off slightly, need to shoot some test shots to test it.  Focusing is reasonably flash and there is some shutter delay. Also until it is done completely with the writing of the data it does not respond to changes to controls, like the dials for setting aperture, etc. Seem to be a bit of lag from the time the writing stops to the time it will respond again. The limited number of focus points is problem, compared to what I am used to using.

I did not use any of the previous dp merrills but did read about them. Was intrigued to try this because of all the resolution. Still having a good time with it and will until I have to send it back.

Alan
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Alan Smallbone
Orange County, CA

eronald

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Re: Sigma DP Quattro
« Reply #232 on: July 10, 2014, 07:23:22 pm »

Sometimes it's worth looking in at "that place". A lot of people seem to have got their Qs, and one has written a humoristic piece.
http://www.dpreview.com/forums/thread/3695637

Edmund
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capital

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Re: Sigma DP Quattro
« Reply #233 on: July 13, 2014, 12:15:48 am »

It appears the Maros Notebook site in Japan published some update about that "mushy" details.

http://maros-notebook.txt-nifty.com/notebook/2014/07/sigma-dp2-quatt.html

The update includes some full size samples including a DP2 Quattro file with noise reduction turned to zero, this in itself lifts some of the veil of mush.
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Alan Smallbone

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Re: Sigma DP Quattro
« Reply #234 on: July 14, 2014, 01:22:37 pm »

Well mine is shipping back to Sigma today, so I am done shooting, got a ton of images to process now. Since I had the camera for a short time, I spent a lot of the time that I had available shooting and investigating the camera.

Battery life is around 300 shots, give or take. There is a 7 shot buffer but it takes quite a while to empty the buffer if you do manage to fill it. The other thing I noticed is that the camera gets quite warm while in use, the areas to the left and right of the lens get quite warm. While shooting yesterday in upper 80'sF the camera overheated several times and I had to shut it down and wait for it cool down, the camera was still working but the overheating symbol was flashing on the lcd.

High speed cards to do not help, 45mb/s SD card is about as fast as you need it does not write any faster.  I wish it had more focus points, 9 is not enough but usable. I found the grip it be quite uncomfortable with prolonged use. Using two hands helped a lot, but I ended up using it on a tripod most of the time. RAW files ran anywhere from low 50's to mid 60's in MB, typical landscape type shot was around 62-63mb per raw image. I really wish it has some sort of release. Ended up using the timer a lot.

Just some observations while I contemplate the "experience". I really need to go back and edit some of the earlier images I took, as I get the hang of the raw conversion I know I can do better. I did post a few samples,  I think I can clean them up a bit.
https://www.flickr.com/photos/aps-photo/14463191609/in/set-72157645665820301/

Alan
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Alan Smallbone
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Hulyss

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Re: Sigma DP Quattro
« Reply #235 on: July 14, 2014, 01:37:25 pm »

This is one part of my experience too. Mine returned as well. Thank you for your rapport :)
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Foveonic

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Re: Sigma DP Quattro
« Reply #236 on: July 15, 2014, 12:24:38 pm »

Well... I am reading all over the web about the Quattro experience.  I must say that it really isn't too good at this point.  I am disappointed in this early result.  I had hoped the Quattro would be a grand slam for Sigma and perpetuate the continued evolution of this amazing sensor in a positive direction.  The ergonomics are questionable and the trade-offs for write times, ISO sensitivity and battery life seem to have pulled the DP series in a negative direction IQwise.....

Best  

100% Crop
DP2 Merrill
« Last Edit: July 15, 2014, 12:32:23 pm by Foveonic »
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Quentin

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Re: Sigma DP Quattro
« Reply #237 on: July 15, 2014, 02:14:23 pm »

My DP2 Quattro arrived this morning.   My initial walk around shots are very encouraging.  Its a weird design, but arguably better build quality than the Merrills.   

Quentin
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Hulyss

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Re: Sigma DP Quattro
« Reply #238 on: July 15, 2014, 03:30:32 pm »

My DP2 Quattro arrived this morning.   My initial walk around shots are very encouraging.  Its a weird design, but arguably better build quality than the Merrills.   

Quentin

Well, build quality ok ... the SD card door is a simple ruber band. So build quality as weird as the design :D
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Quentin

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Re: Sigma DP Quattro
« Reply #239 on: July 15, 2014, 04:45:53 pm »

Yes, SD card slot cover a weird choice by Sigma. Very odd..
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