Archived posting to the Leica Users Group, 2011/01/22
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Marty - The end result of the calibration process on a glossy-screen iMac leaves whites a rather sickly gray-green in my experience. From what I learned from the people who make the Spyder there are reflections between the actual front of the screen and the exterior glass, i.e., the sensor really isn't right on the screen itself. That leaves the sensor susceptible to external light, too. I tried all kinds of tricks to minimize external reflections, even to fully shrouding the screen in black cloth during the calibration sequence, but nothing helped. This was true even for brightness settings well below maximum. OTH, as I said, the manual internal calibrator works fine if you do the calibration patiently and it leaves whutes looking, well, white. If you know some way of making the calibrators work, I'd really like to know what it is. Thanks. Regards, Dick On Jan 22, 2011, at 9:26 AM, Marty Deveney wrote: > Why not Richard? Mine calibrates properly, if slightly less bright > than ideal (112-113 cd instead of 120). > > Marty > > On Sun, Jan 23, 2011 at 12:28 AM, Richard Taylor <r.s.taylor at > comcast.net> wrote: >> To add my two cents: I have a 27" iMac and am delighted with it. The >> reflections can be controlled by placement and keeping light sources out >> of its FOV, BUT it will not calibrate properly with a Spyder or any other >> calibrator AFAIK. I calibrated mine manually using the internal >> calibrator. It takes some time and has to be done with great patience >> but once done prints from my printer and local processor match the screen >> nearly perfectly. >> >> I don't know how you'd do manual calibration on a PC. >> >> Regards, >> >> Dick >> >> >> >> On Jan 21, 2011, at 6:26 AM, Marty Deveney wrote: >> >>> The main problem with the Apple screens is that the adjustments are >>> coarse, so if you have a good calibrating device, you either need to >>> have it slightly less bright than optimal or a lot brighter. I keep >>> mine about 10-15 cd less bright than the absolute ideal. My old Sony >>> Artisan was much better in this regard and the Eizo and NEC screens >>> are too. The Apple factors settings are pretty good, much better than >>> most screens. >>> >>> Marty >>> >>> >>> On Fri, Jan 21, 2011 at 8:43 PM, Jeff Moore <jbm at jbm.org> wrote: >>>> 2011-01-21-02:07:20 Chris Crawford: >>>>> I had one of the 17 inch NEC crt monitors too, loved it until it >>>>> finally >>>>> died. That's when I replaced it with the LCD I have now. The NEC lcd >>>>> screens >>>>> are really cool because they are self-calibrating (If you get it with >>>>> the >>>>> Spectraview software and colorimeter). The calibration happens in the >>>>> monitor, not by adjusting the video card, the way all other screens are >>>>> calibrated. >>>> >>>> All other screens? No, just all screens without internal lookup >>>> tables adjustable to help profile them. In other words, toy monitors. >>>> Good monitors have 10- or 12-bit lookup tables which the calibration >>>> software tweaks. Good monitors like Eizo, who've been doing that for >>>> years (in their serious graphics monitors). "Only NEC", forsooth. >>>> >>>> Here's the good stuff: >>>> >>>> http://www.eizo.com/global/products/coloredge/index.html >>>> >>>> http://www.eizo.com/global/products/coloredge/cg221/index.html >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Leica Users Group. >>>> See http://leica-users.org/mailman/listinfo/lug for more information >>>> >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information