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Author Topic: Profoto .to jpeg??  (Read 24518 times)
mike397x
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« on: September 11, 2011, 04:59:32 PM »

 I'm editing my images,and usually save the edited image as a 16 bit tiff in Profoto.
When I send that file to Qimage Ultimate for printing.
Should I be saving the image as a rgb jpg?

Lately I've been having some" dark print issues" with my Epson 3000 printer..and was wondering if this could be part of the issue?
From what I understand from a previous post here,the file ,after it goes to the printer, is automatically converted to rgb.
Is this correct?
IN a previous post,I tried to clear up  a problem with Ilford Smooth pearl paper,and after many e-mail back & forth to Ilford,I'm back,tohere I started.
I'm even,experiencing issues with my other papers..Canson platine,Harman gloss art fiber.

These art not drastic changes,but all files now need to be tweaked {a increase in brightness to level 8-12} somewhat in Qimage,before I print.
Could it be,that my monitor needs to be replaced/updated??..my necc multiSync 20wmgx monitor is 6 years old.
I'm on a windows 7 machine.

Any thoughts on this,will be greatly appreciated.

Thanks
Mike
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Terry-M
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« Reply #1 on: September 11, 2011, 08:43:52 PM »

Hi Mike397,
Firstly, Qimage is an 8 bit program so any 16 bit images are automatically converted to 8 bit.
See Mike's article about 16 bit vss 8 bit for printing:
http://ddisoftware.com/tech/articles/december-2006-hype-or-hero-take-2-16-bit-printers/
Also: http://ddisoftware.com/tech/articles/september-2009-digital-photography-reality-check-308/
which comments about large colour spaces such as ProPhoto (I assume that is what you mean for "profoto")
If you convert to a high quality jpeg, you probably will not see much difference, especially on small prints, than printing a tiff file. Remember, jpeg is a compressed file with a large poportion of the data discarded - only 4 bits I think(?)
Quote
Could it be,that my monitor needs to be replaced/updated??..my nec multiSync 20wmgx monitor is 6 years old.
From what I can see, that is a high quality monitor but at 6 years old could well be degraded by now. I assume you are calibrating it regularly - what about setting the white point luminance, is that included in the calibration process? The pragmatic way of dealing with dark prints is to set the monitor brightness to match the prints and then re-create a profile.
If you prefer to add a Qimage filter to brighten the prints, set up a print filter and include that in your saved print set-ups. That'll save changing the images all the time and not affect the screen appearance.
Terry
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mike397x
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« Reply #2 on: September 11, 2011, 09:59:16 PM »

Terry...thanks for your reply.
       
     OK,I did read the link you provided,again..thanks.

Yes,I've been happy with this monitor,but lately,in the past 6 months,have noticed some darkening in the top right hand,about 2 inches long..doesn't seem to affects my prints though,and a friend who knows monitors said it is called "burning"..
I do calibrate it on a monthly basis,maybe more if I plan on doing a lot of printing.
My colormunki settings are: white point=D65 ,Luminance Value of  =120,... this can be changed in the advanced mode.
I use the colormunki for my screen calibration and sometimes will build a paper profile for a specific paper,.
I only use 2 papers,Canson Platine,and Ilford smooth pearl..a month or so ago,I had Eric Chan build me a few profiles for my papers,and a ABW profile.


So,if I might ask ..would you suggest another monitor,if so,which one?
Nec,Apple,,What do you use??
Remember,I'm an amatueur photographer,and do not sell any prints.although ,they are all for sale, I'd like to keep the price off a new monitor,under $1000.00 if possible.

Mike
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Terry-M
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« Reply #3 on: September 12, 2011, 02:14:05 PM »

Mike,
Quote
So,if I might ask ..would you suggest another monitor,if so,which one?
I'm not sure I could recommend a specific monitor but I use an Eizo Flexscan S2242W - 22" wide screen, Also wide gamut at about 95% Adobe RGB.
This is in the lower price bracket of Eizo monitors  but I've found it to be very good. My usual supplier also sells NEC so I assume they are very good too.
The better models have their own built-in LUT and calibration system.
It's worth reading Mike's article: http://ddisoftware.com/tech/articles/december-2010-do-you-have-a-6-bit-lcd-monitor/
for some general guidance.
Terry
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tomc
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« Reply #4 on: September 12, 2011, 04:12:19 PM »

So,if I might ask ..would you suggest another monitor,if so,which one?
Nec,Apple,,What do you use??
Remember,I'm an amatueur photographer,and do not sell any prints.although ,they are all for sale, I'd like to keep the price off a new monitor,under $1000.00 if possible.

I've been looking at a replacement monitor too. While I haven't bought it yet, my choice is the ASUS ProArt Series PA246Q. It is an IPS monitor that covers 98% of Adobe RGB color space. And at $500, it is well under your $1000 price limit.

Tom
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Terry-M
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« Reply #5 on: September 12, 2011, 04:21:33 PM »

Quote
my choice is the ASUS ProArt Series PA246Q.
The spec says:Display Colors : 1073.7M (10bit) so it more than conforms to Mike's requirement of "the full 16.7 million colors that 24 bit color (8 bits x 3 channels)".
Terry
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mike397x
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« Reply #6 on: September 12, 2011, 10:17:58 PM »

Terry,Tom,

Thanks for your replies...and Mike's link.excellent reading.

The Nec,I  already have, is a s-ips monitor,but it was  purchased at NEC,as a refurb.. still, it did carry a full warranty.
I tried to locate the link to the NEC refurb monitors,but can find it,maybe they closed it down..??

The Asus monitor,is beginning to very attractive..I might just go with that,or one similar?..great price too.
Is there a major difference,between the S-IPS panel,and a H-IPS panel?Huh?

Mike









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Terry-M
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« Reply #7 on: September 13, 2011, 08:04:09 AM »

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Is there a major difference,between the S-IPS panel,and a H-IPS panel?
I don't know - try Google!
Terry
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Antipodes
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« Reply #8 on: September 17, 2011, 06:45:49 AM »

Is there a major difference,between the S-IPS panel,and a H-IPS panel?Huh?

http://www.pchardwarehelp.com/guides/lcd-panel-types.php

"H-IPS is a newer variation of S-IPS with a different pixel structure that improves contrast ratios and lowers pixel pitch to provide better picture quality."

I have just purchased 2 off Dell U2711 monitors.  These are 2560 x 1440 resolution and are H-IPS.
Calibrated them with my new SPyder 3 which I had to purchase (had a SPyder 2) to get windows 7 support.

If these monitors are available to you, I would definitely add these to your look at list.
The resolution alone is a great and the colours are bright and appear to have better variation than the old viewsonics I had before.

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Paul
Rainbow Stitches

Qimage user since 2007.
We do embroidery, DTG printing, fine art printing and vinyl.
Use Adobe CS4 creative suite, Corel Draw X4 suite, Qimage, Lightroom, XnView.
mike397x
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« Reply #9 on: September 17, 2011, 03:41:52 PM »

Antipodes,

Thanks for you reply..
 After a few days of searching,on google,I ended up with this:

http://www.tftcentral.co.uk/reviews/nec_pa231w.htm...price/quality were in good balance with one another.

 I just finished calibrating it ,with the SpectraView software...takes some time getting to know this software,but,
So far I'm pleased with the results,and the "dark print issue" is no longer.

Thanks Again,
Mike
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mike397x
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« Reply #10 on: September 17, 2011, 03:46:28 PM »

Antipodes,

Here is the link,

       http://www.tftcentral.co.uk/reviews/nec_pa231w.htm


Mike
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Antipodes
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« Reply #11 on: September 17, 2011, 10:02:45 PM »

Thanks Mike, Looks like a capable monitor.
Good find on the web site, I have not found that one on my searches.

When things go right, it definitely is enjoyable to get the rewards from them.

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Paul
Rainbow Stitches

Qimage user since 2007.
We do embroidery, DTG printing, fine art printing and vinyl.
Use Adobe CS4 creative suite, Corel Draw X4 suite, Qimage, Lightroom, XnView.
mike397x
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« Reply #12 on: September 17, 2011, 11:08:09 PM »

  Don't get me wrong,I'm very pleased with my new monitor,but,I would have preferred a bigger screen..27in would be ideal..
With the PA series from NEC the 27in, was about $1000.00 more.,bringing it to about $1600.00,with spectraview.

If I had found your dell,I would have probably ordered it..

Good luck with the new monitor,and thanks for that link

Mike
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