Alan321 Offline Upload & Sell: Off
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Mnd1, I think you're chasing a lost cause
Let me explain. Firstly, I'm using a computer with Windows 8.1 and Firefox as follows:
The default scaling factor of 150% set in Windows tells Windows that there are 144 pixels per inch on my screen. That is, 150% of a reference 96ppi.
The visible scaling factor of 100% set by me at the top of the window in Firefox tells it to enlarge images and text to full 100%. Another hidden setting of 1.5 tells Firefox that there 150 pixels per inch. That is, 100% of its reference of 100ppi. Note the different reference ppi.
To complicate things, the Windows setting alters the effect of the Firefox settings.
My screen actually has 216ppi and because neither Windows nor Firefox knows that, neither of them can show me the images correctly with their default settings. By making them look too big they inherently look soft. By making them too small, such as on a screen with fewer ppi, they may look just right or perhaps too sharp if the ppi was even less.
Now I could have used the correct setting of 2.16 in Firefox, but then the text is so small that I can't read it. I'd need to have some control over the fonts and sizes used here at FM. So even when I know what settings to adjust I can't actually use the correct values.
You cannot expect to get it right at your end if you don't know what screen I've got or what settings I've got.
Probably 99.9....9 % of users don't know what settings they've got either, nor where to find them. Many if not most can't even calculate the ppi of their screen from the screen dimensions in pixels, the screen ratio, and the screen diagonal in inches.
And we haven't even got to monitor calibration and colour profiles yet.
So what chance have you got ? Almost none.
Whatever you do to make an image look better for one group of users will very likely make it look worse for most of the rest.
Now you might think me negative about your prospects but you should think of it as realistic.
So what CAN you do ?
I suggest that you do the following:
1. Apply whatever capture sharpening is needed by each image, but no extra.
2. Use sRGB working colour space for each image you post, because most viewers expect that.
3. Whether or not you use sRGB, include the colour space info in your image files so that anyone who is knowledgeable about such things can definitely use the right colour space.
4. Less relevant but always helpful, always include metadata with your images.
5. When seeking critiques, ask the readers to look at the images in their Lr or Ps or whatever so they can get the best from the colour info in the file. Some of them probably already do that routinely.
- Alan
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