jimmy462
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Hi again, Jim,
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J4644 wrote:
Hi Jimmy,
Thanks for the great information. I read through it all. It appears from one source that the mid-2007 24 inch imac is made by L.G. Philips and had the number LM240WU2 (SL) (B1) and is an S-IPS panel. However, another states that the newer 24 inch panels are H-IPS. I am not sure if there would be a significant difference between the two, but surely it should be one or the other, it cannot be an H panel and an S panel. All seem to agree on 8 bit, I hope true 8 bit without dithering.
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The current wiki on these differences here...
http://en.wikipedia.org/wiki/TFT_LCD
...proceed at your own risk!
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The 20 inch appears to be a TN with 6 bit. A totally different panel and more than likely not as good for photo editing.
All ACD monitors are S-IPS, 8 bit, made by philips. So no argument here. No one could say what the (SL) (A1) or (B1) stands for.
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The product data sheets found here...
http://www.beyondinfinite.com/library.html
...offer no insight into the meaning of those suffixes (SLA1, etc). About the only differences I could ascertain between monitor variants were the surface coatings used to protect the polarizing membranes on the units.
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I have a Spyder 2 Pro and there seems to be a slight problem with calibration and the glossy glass screen. Apparently the older white 24 inch macs are coveted because they did not show gradient problems regarding brightness uniformity etc.
I guess the question for me at this point, is can I live with the glossy glass screen with it's reflection and possible calibration problem with the Spyder 2 Pro? I may be able to. However, I cannot live with the gradient problem if indeed the one I buy has one.
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Well, I've seen some images on the net where folks have had this problem...seemed the best solution was to bring the unit back to Apple for exchange or repair. However, I just helped a friend with their purchase of a 24" 3.06GHz unit and her monitor was flawless. I guess monitors are no less prone to problems than lenses! ;-)
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Apparently, the NEC LCD2490WUXI is the same panel as the 24 inch imac panel with no mention of the gradient problem. So, at this point, I will look into that monitor a little further.
Thanks again,
Jim
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One thing that did turn up in my research on the NEC monitors, that I think you might find important, is the color gamut that the models can handle. The 2490WUXI achieves 76% of Adobe RGB, the 2690WUXI covers 93.8% and the newer 2690WUXI2 (due out in December '08) will achieve 97.8%.
Of note, apparently the NECs offer their own technologies (proprietary?) to deal with illumination consistency and evenness, above and beyond that found in the iMac's implementation.
Also of note, the iMac will support an external monitor up to 1920x1200. And, I had considered this configuration for myself, giving me the ability to work on the images themselves in a non-glossy environment. The same can be accomplished with the MacBook Pros. (FYI, the early '08 MBP closeouts are currently available at unprecedented prices at various resellers! Something to consider.)
And, finally, the Mac rumor sites are currently anticipating the arrival of quad-core iMacs with the new year, possibly as early as the next Macworld Expo in January '09. This could be a game-changer for me as I'm not looking to do any personal shopping along these lines until after the holidays.
Well, one could easily drive themselves to the point of distraction with all this technical stuff...the question eventually becomes (with this ever-developing technology) "just how important is this over the lifetime of a given product?" For me, I consider myself a fairly well-researched shopper when it comes to my technology purchases, but once I've got my gear in hand it's time to start exploring my creative impulses and see what I can create with the tools at hand. Afterall, there is light waiting to be captured!
Best of luck!
Peace,
Jimmy G
Note: Edited for grammar, and "1920x1600" became "1920x1200"
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