February 26, 2015, 06:12:31 PM

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Messages - PavelR

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Software & Accessories / Re: 10 bit graphics card ??
« on: January 27, 2015, 10:56:16 AM »
.....Upgraded to CC.......

In LightRoom is the ability to soft proof for printing, does PS CC offer the same?
..... I use Zoner Photo Studio regularly.....

In LightRoom is the ability to soft proof for printing, does Zoner Photo Studio offer the same?
Manual of current version:
Shift+P Pre-print color preview (if color management is active and a printer profile has been

Software & Accessories / Re: 10 bit graphics card ??
« on: January 26, 2015, 11:32:28 AM »
I hate to tell you this, but LR doesn't support 10-bit, at least not yet.  The only Photo software I'm aware of is PhotoShop CS5 & higher.  Here's some more information I just found:


You hate to tell, I hate to learn that even more. Oh carp.
Looks like time to step up and pay Adobe's monthly baksheesh.
Looked at Zoner's website, some script crashed FireFox, um, if they can't even code a stable web presence well, makes me skeptical regarding their software package's code.
FYI: I use Zoner Photo Studio regularly and it is pretty stable. I can see difference of linked ramp.psd in it depending on 10-bit output enabled/disabled.

Software & Accessories / Re: 10 bit graphics card ??
« on: January 23, 2015, 06:16:20 AM »
You do know that there is only *1* 10bit image editing tool, don't you?

And that it is Photoshop?

You are wrong:


Zoner Photo Studio can utilize CUDA - see http://www.zoner.com/en/system-requirements
The application says that enabling GPU calculations on my system (8-core AMD CPU + Quadro 6000 GPU) speed is increased 12x.
Unfortunately I do not know how to measure the real life speed boost, because I do not know which operations utilize CUDA processing...

Abstract / Re: Beautiful bokeh! Let me see yours!
« on: December 20, 2014, 12:10:27 PM »
300mm, 1/100s, f 3.5

Photography Technique / Re: DOF, Infinity focus and Hyperfocal distance
« on: December 07, 2014, 05:55:42 AM »
I know only the one page describing  DOF deeply: http://toothwalker.org/optics/dof.html

Third Party Manufacturers / Re: Opinions on Sigma 85/1.4?
« on: December 05, 2014, 08:36:58 AM »
I've owned C 85/1.8 - terrible purple fringing and AF not as consistent as I'm used to in current lenses. I have C 85/1.2 II and S 85/1.4 now, because S 85 sometimes locks 1DsIII up. Image quality and AF speed is much better with S 85.

Reviews / Re: Pentax 645z Review
« on: August 01, 2014, 07:20:14 AM »
The only downside is that all of the points are clustered near the center of the frame, as the system was originally designed for APS-C.

Reviews / Re: Pentax 645z Review
« on: July 31, 2014, 02:30:34 AM »
Speed    Auto:1/4000 - 30 sec, Manual:1/4000 - 30 sec (1/3 EV steps or 1/2 EV steps), bulb
X-Synchronization    1/125 sec.
Exposure Compensation    -2.0 to + 1.0 EV

It can not be used as easy as DSLR and as creative as other MF cameras.
(Price [+ price of lenses] of course makes me not to buy it.)

Portrait / Re: 'Straight' Portrait of a Young Woman
« on: October 22, 2013, 06:22:03 AM »
hm... looks over-exposed to me and skin texture is just gone

Lenses / Re: 85mm prime recommendation
« on: October 03, 2013, 10:56:08 AM »
I replaced 85/1.8 with S 85/1.4 - better iq and AF accuracy on 1D4.
But now I have 85/1.2 too because Sigma does not work well mounted on 1ds3 with new firmware - the camera stopped responding several times...
Purple fringing around the contrasty & light parts [black foreground against white background is not problem] is pretty bad on both Canon 85 (wide open and near wide open). L is also pretty slow AF, but acceptable on 1 series body...

Third Party Manufacturers / Re: Experiences Switching From Nikon
« on: September 25, 2013, 04:34:31 PM »
I switched about two years ago from Nikon d2x/d200 to Canon 1d4/1ds3.
* no new professional crop body and no more than 12mpx
* no 300/4 with VR
* no fast AF of 135, 80-400
* no 400/5.6
* no good 17-55/2.8 VR
* FL about 138mm on 70-200/2.8 II on MFD
* not many local second hand offers
A lot of things changed - 70-200/4, 14-24, 24/1.4, 35/1.4, ...
I'm still not used to Canon camera handling - I'm missing lot of controls, information in the viewfinder and LCD [selected mode, selected AF point, numeric exposure compensation, card free space] + 5th. battery on a flash, consistent flash exposure.
Canon lenses except 50/1.4, 85/1.8 and 14-24 are on par with Nikkors; second hand offers are much wider and prices are better...
It looks like I stay on Canon world for some time...

EOS Bodies - For Stills / Re: ETTR or ETTL?
« on: September 02, 2013, 01:06:01 PM »
I do not overexpose because, recovered color is not natural - especially in the skin tones or on light (especially red) dresses.
Thus I sacrifice some dark shadows to get correct colors and the texture in the highlights.

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