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.
