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On Mon, Sep 5, 2016 at 11:15 AM, Ken Waller <kwal...@peoplepc.com> wrote: > The ambient light in your room should be a low as you can stand it to not > adversely affect your monitor. > > > -----Original Message----- >>From: David J Brooks <pentkon52@gmail. >>Subject: Re: Spyder Pro 3 >> >>so i set up the Spyder3 today. It set the brightness to about 191, sid >>the ambient light in my room was veryu high/. The monitor is quit >>bright now, iMac 21.5" and i tried a sample print again. Still coming >>out quit a bit darker than screen. Do i need to adjust the monitor >>brightness now to a lower out put or will that effect my calibrartion >>done, >> >>I'm quite confused now as it had been printing out close to monitor >>for a while. Maybe i should do a Walmart or Henrys kiosk print as a >>double check >> >>Dave >> >>On Fri, Sep 2, 2016 at 9:46 PM, Godfrey DiGiorgi <godfreydigio...@me.com> >>wrote: >>>> On Sep 2, 2016, at 10:53 AM, David J Brooks <pentko...@gmail.com> wrote: >>>> >>>> I have purchased a new in box Spyderpro 3 as it will work with 10.6.8, >>>> supposedly. I am having trouble matching the brightness on my iMac >>>> 21.5" screen to the print outs from my Epson 2400. The prints are >>>> coming out quite a bit darker than what i see on my screen via LR >>>> version 4.1. Should this help with my woes or will it just help with >>>> the colours. This one has the ambient reciver. >>> >>> >>> If your prints are dark compared to the rendering you see on the display, >>> it means you are doing your adjustments with a display set to too >>> bright/too high a luminance value. The logic here is that if the display is >>> set to too high a luminance (or the room is too dark relative to the >>> display luminance), your adjustments are being made with your eye fooled >>> into thinking that that is the correct (darker) illumination level. As a >>> result, when you send the image to the printer, the printer prints it to >>> match what it thinks is the display illumination, which is too dark. >>> (Conversely, if your display is set too dim in too bright a room, your >>> prints will come out too light.) >>> >>> I don't know the Spyder Pro 3 software, I use the Xrite i1 Profiler >>> software with the Xrite i1 Display Pro colorimeter. But they should all do >>> similar types of things. >>> >>> All of these calibration utilities depend upon a 'normal' room illumination >>> to work correctly. My office where I do image processing is illuminated to >>> low reading level … about ISO 100 @ f/2 @ 1/4 to 1/2 second if I do an >>> incident reading at my desk. Because that's a little low, I set the >>> calibration *target* for my display to 100 cdm^2. That's the first phase of >>> the calibration procedure. Once the illumination is set, the software then >>> runs tests and adjusts the display color mix to achieve my other two >>> targets: 5600°K white point and 1.8 gamma. With the display then set to the >>> calibration targets, it writes a display calibration profile which is >>> installed into the macOS at the appropriate location in the file system, >>> and sets the system to use that calibration profile. >>> >>> With that setup in my system, the display at first appears a little bit dim >>> and a little warm in color. However, what comes out of the printer is a >>> very close match to what I see on the screen, which is my goal in a >>> profiled printing workflow. >>> >>> So: the display calibration system certainly helps get my prints coming out >>> the right density and color presuming that it is used correctly. I can't >>> imagine this would be any different for the Spyder Pro system. >>> >>>> R2400 is set to SPR2400 Premglossy Bstphoto.icc >>>> Perceptual >>>> >>>> Colour management in the print settings is greyed out but shows Colorsync >>> >>> If you have selected a paper profile for color managed printing, Lightroom >>> automatically locks out the ability to use EPSON Color Controls in the >>> Color Matching section of the print driver interface. (The reason the >>> grayed out controls show ColorSync enabled is that Lightroom uses >>> ColorSync's ability to interpret the paper profile to drive the color >>> matching.) If you were to set Lightroom to use Printer Managed color >>> instead of selecting a paper profile, the Color Matching section of the >>> driver would give you a choice between picking a ColorSync delivered paper >>> profile or using the explicit EPSON Color Controls in the Printer Settings >>> section of the print driver. >>> >>>> Mark R :: OK, ColorSync may be a means of implementing ICC profiles then. >>> >>> ColorSync isn't a means of "implementing ICC profiles." It's the underlying >>> rendering engine that ICC profiles are interpreted with. If you set LR to >>> let the printer manage color, and pick the EPSON Color Controls, the print >>> driver bypasses the ColorSync rendering engine and uses its own, >>> Epson-supplied, color rendering engine which is based upon the paper chosen >>> and the settings you make in the Basic|Advanced Color Controls sections of >>> the Print Settings panel. >>> >>> But this is a little beside the point. The issue is that the balance of >>> ambient and display illumination isn't correct … the display is too bright >>> relative to the ambient illumination, which causes adjustments to be skewed >>> to the dark side when the numbers are sent to the printer. >>> >>> - >>> Unfortunately, Paul Stenqvist's instructions regards how the print driver >>> dialogs work for Photoshop are not correct for printing from Lightroom. >>> They're very different applications with regard to printing. >>> >>> How to print from macOS with Lightroom: >>> >>> 0) Calibrate and profile your display. This is step 0 because you do it >>> outside of LR and only do it once. >>> >>> Now, in Lightroom and unlike in Photoshop, there is no "Edit > Color >>> Settings" dialog to set up all the various color working space, etc, stuff. >>> Lightroom was not designed as a general purpose graphics application, it >>> was designed exclusively for photography, so it automatically sets the >>> default working color space for editing to ProPhoto RGB and 16bit per >>> component. You bring your raw, JPEG, PNG, or TIFF files into Lightroom and >>> they are automatically promoted to 16bit for editing in ProPhoto RGB >>> colorspace. You only need to make color management settings for export or >>> for printing, in either the Export dialog or the Print dialog. >>> >>> In Export, the only option you have is what target color space profile you >>> want embedded into the image. >>> >>> In the Print module, the color management is controlled by a combination of >>> the Page Setup and Print Settings dialogs, which in turn depend upon the >>> specific printer/print driver that you choose, in conjunction with the >>> Print Job panel settings. >>> >>> 1) Select a photo to print and go to the Print module >>> 2) Click Page Setup at the bottom of the left panel >>> >>> Pick the printer you are going to use, the paper type and feed type, and >>> the orientation and scaling. Click OK. >>> >>> 3) Work your way down the right hand panels (Layout Style, Image Settings, >>> and Layout primarily) to determine how you want the photo to image onto the >>> paper. >>> >>> Now you're ready to set up the print job and print settings. >>> >>> 4) In the Print Job panel, first set up the output to go to the printer. >>> 5) Skipping the output resolution and other bits that should be >>> self-evident, in the Color Management section either pick "Managed by >>> Printer" to use the print driver's rendering engine, or pick a paper >>> profile for a color-managed printing workflow. >>> >>> Different options apply if using color-managed printing or "managed by >>> printer" workflows. In either case, however, once you pick one, click Print >>> Settings on the lower left to set up the print driver for that workflow >>> mode. Different options apply for different printers and are supplied by >>> the printer driver so there's no easy way to walk through all of the >>> possibilities. >>> >>> 6) Once everything is done and the setup is complete in the Print Settings >>> dialog, click OK. >>> >>> At this point your back in Lightroom, ready to print. Before you print, >>> however, use Print > New Template to create a printing preset with all >>> those settings in it. This way in the future, all you have to do when >>> printing the same size prints on the same printer is select the photos you >>> want and select the printing preset. >>> >>> 7) Send images to the printer by clicking Print at the bottom of the right >>> panel. >>> >>> Printing is never simple. >>> - >>> >>> But the fundamental problem is the display calibration, far as I can make >>> out. Address that and you should be good to go. >>> >>> G >>> — >>> The trouble with being punctual is that nobody's there to appreciate it. > > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- Documenting Life in Rural Ontario. www.caughtinmotion.com http://brooksinthecountry.blogspot.com/ York Region, Ontario, Canada -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
