Archived posting to the Leica Users Group, 2011/01/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I use an XRite i1 Pro. It seems to calibrate the IMac, Mac and other screens just fine. I haven't used a Spyder since the 1990, but the i1 has a shielded sensor with a hood-like matte plastic part around it, which might help. My screen is just right, if 6-7 cd too dim. Marty On Sun, Jan 23, 2011 at 1:49 AM, Richard Taylor <r.s.taylor at comcast.net> wrote: > 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 > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >