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mterzich
07-05-2005, 08:28 PM
I've been trying to fiqure out what the horizontal resolution in on the Sony KV-34HS420 so I decided to count the number of vertical lines (counting horizontaly) in one inch on the screen. I counted 26 lines per inch. So therefore 26 line x 30 inches = 780 horizontal pixals on the screen. I originally thought that there would be a greater horizontal resolution that that. Is the number that I came up with correct?

57U
07-05-2005, 11:24 PM
That sounds a bit low. Certainly most direct view HDTVs have around 700-100. The 4:3 Sony HDTVs have been as low as 700 horizontal lines, but the 16:9s have been measured closer to 1000. The 955? is said to have around 1400.

mterzich
07-06-2005, 01:39 AM
Does any manufacture publish the horizontal resolution of a tube type TV or are they all so bad? The only thing that I have ever heard is word of mouth and have never seen a horizontal resolution specification for any HDTV. It seems that the consumer should be able to get this information to make a logical purchase when buying a tube type HDTV as he does when buying a plasma or LCD TV.

57U
07-06-2005, 08:17 AM
This information used to be published, but since too many people looked at the spec instead of the picture, I think manufacturers stopped (mostly).

With CRT-based TVs, the only way to test resolution is with a test pattern, and the "number" can vary a bit. Some magazines have published their test numbers and there have been some "arguments".

With fixed pixel displays there can be no argument.

PS - counting the holes in the aperture grill is not a measure of resolution, it can only be done with a test pattern (like they have on AVIA and DVE DVDs, but for HD you need a different pattern) The pattern measures how fast the CRT beam can turn on/off as it scans across the screen.

justsc
07-06-2005, 01:16 PM
I've been trying to fiqure out what the horizontal resolution in on the Sony KV-34HS420 so I decided to count the number of vertical lines (counting horizontaly) in one inch on the screen. I counted 26 lines per inch. So therefore 26 line x 30 inches = 780 horizontal pixals on the screen. I originally thought that there would be a greater horizontal resolution that that. Is the number that I came up with correct?
I have this set and I believe it has a horizontal resolution of approx 850 lines. As has been said the SFP tube gets around 1,400 lines.

pettman1970
07-12-2005, 08:56 PM
I have this set and I believe it has a horizontal resolution of approx 850 lines. As has been said the SFP tube gets around 1,400 lines.
How is that? This is a 1080 hi scan tv??????????

57U
07-12-2005, 11:47 PM
How is that? This is a 1080 hi scan tv??????????That's the VERTICAL "resolution" (number of scan lines). We're discussing HORIZONTAL "resolution".

Matt27
07-13-2005, 01:55 AM
Yeah that's about right probably close to 850-900 horizontal resolution.

All direct view sets are 1080i vertical resolution it's the horizontal res that's different.

Enjoy your set, no need to nick pick resolution and such.

jco
08-03-2005, 02:00 AM
Yeah that's about right probably close to 850-900 horizontal resolution.

All direct view sets are 1080i vertical resolution it's the horizontal res that's different.

Enjoy your set, no need to nick pick resolution and such.

NOT Quite, Just as horizontal resolution varies for a number of reasons, so does vertical resolution in non-fixed pixel displays. Some of the limiting
factors are the same , shadow masks( aperture grilles), dot pitch, etc and most obvious is the size of the "dot" on the screen at bright image levels
and focus etc. So while the scanning yields 1080i interlaced lines, the resolution is NOT the same vertically....The resolution actually is dependant
on settings and adjustments and design not just the fact that there are 1080 horizontal scans, generally the brighter the image settings,. the lower the resolution on a CRT both vertically and horizontally.....

Some "HD" sets have very poor resolution, My first one, a 27" Sony
barely looked better with 1080i than with DVD. It had huge dot pitch,
only about 700 across the screen horizontally, even less vertically, and with
a static picture (no panning or zooming) the dot pitch DOES put a physical
limit on resolution just like a fixed pixel disply does...You cant resolve higher
than the number of these little red, green, blue dots you have...
jco