Screen Size, Resolution, Readability & Eyestrain
Posted: Wed Jan 23, 2008 4:28 pm
My new T61 15.4" WSXGA+ has just arrived, and sadly everything on the screen is far too small for me to read comfortably. Scaling isn't really an option for me, so I'm shopping around for a better display. I thought I should share what I've found for people who haven't yet purchased.
The readability (or Pixels Per Inch) on a screen can easily be calculated given the size of the screen and the number of pixels (resolution). This site makes it easy : http://members.ping.de/~sven/dpi.html
I'm young, with good eyesight, and I have figured that 110-115 ppi is about my optimum resolution. Any less and it is an inefficient use of space; any more and there's just too much strain on my eyes. Small text is also more difficult to focus on when in moving vehicles such as a car/plane.
Here are the options for the T61 series
15.4" WUXGA+ (1920x1200) = 147 PPI
15.4" WSXGA+ (1680x1050) = 129 PPI
14.1" SXGA+ (1400X1050) = 124 PPI
14.1" WXGA+ (1440x900) = 120 PPI
14.1" WXGA (1280x800) = 107 PPI
My 15" SXGA+ IPS T42 = 116 PPI (Slightly Too Small For Me)
My 12" XGA X30 = 106 PPI (Too Big, But Very Easy To Read)
Windows does provide various workarounds that allow you to scale the fonts and use bigger icons, and most web browsers do have tools that allow you to scale text and sometimes images. But as a web developer, scaling text and images is not really a viable long-term solution for me. Besides it seems like a poor workaround for having ordered the wrong display.
Now, I'm not sure if it is just me (and all the Mac users out there), but why don't we a T61 in this 'readable' range. I am completely missing why anyone would want UXGA. - Maybe my eyes aren't that good after all! There was a guy in the coffee shop the other day squinting at his UXGA T60, and he seemed to be doing ok. But I wonder how good his eyesight will be in 20 years?
So, thinkpad engineers... if you're reading this please can we have a 15.4" WXGA+ (1440x900) at an easily readable 110ppi. - In the meantime, I'm going to downgrade to a 14" WXGA and save my eyes.
The readability (or Pixels Per Inch) on a screen can easily be calculated given the size of the screen and the number of pixels (resolution). This site makes it easy : http://members.ping.de/~sven/dpi.html
I'm young, with good eyesight, and I have figured that 110-115 ppi is about my optimum resolution. Any less and it is an inefficient use of space; any more and there's just too much strain on my eyes. Small text is also more difficult to focus on when in moving vehicles such as a car/plane.
Here are the options for the T61 series
15.4" WUXGA+ (1920x1200) = 147 PPI
15.4" WSXGA+ (1680x1050) = 129 PPI
14.1" SXGA+ (1400X1050) = 124 PPI
14.1" WXGA+ (1440x900) = 120 PPI
14.1" WXGA (1280x800) = 107 PPI
My 15" SXGA+ IPS T42 = 116 PPI (Slightly Too Small For Me)
My 12" XGA X30 = 106 PPI (Too Big, But Very Easy To Read)
Windows does provide various workarounds that allow you to scale the fonts and use bigger icons, and most web browsers do have tools that allow you to scale text and sometimes images. But as a web developer, scaling text and images is not really a viable long-term solution for me. Besides it seems like a poor workaround for having ordered the wrong display.
Now, I'm not sure if it is just me (and all the Mac users out there), but why don't we a T61 in this 'readable' range. I am completely missing why anyone would want UXGA. - Maybe my eyes aren't that good after all! There was a guy in the coffee shop the other day squinting at his UXGA T60, and he seemed to be doing ok. But I wonder how good his eyesight will be in 20 years?
So, thinkpad engineers... if you're reading this please can we have a 15.4" WXGA+ (1440x900) at an easily readable 110ppi. - In the meantime, I'm going to downgrade to a 14" WXGA and save my eyes.