Can anyone clarify what geometry or convergence is? - Blu-ray Forum

CrippyBlunt · 01-12-2008, 07:16 AM

I currently own a Sony Bravia KDS-60A3000 and I've been doing a lot of research about this HDTV and everything it can do. I found a lot of people talking about some sets having geometry and/or convergence issues. It appears it has something to do with vertical and horizontal lines. Can someone please explain what geometry and/convergence is? I ran a small calibration test on my TV and I noticed some lines were not straight. Is this a geometry issue? If so, what causes it? Thank you!!

WickyWoo · 01-12-2008, 10:14 AM

Geometry- How perfectly the overall shape of the image is,usually on rear-projection sets.. Yes your lines not being straight sounds like geometry, butkeep in mind that no rearproj set willl ever be 100% perfect

Convergence- CRT or rear projection, how close the 3 different colors (red greeen blue) are to being perfectly aligned

01-12-2008, 07:16 AM	#1
CrippyBlunt Member Member since:Oct 2007 Location:Salt Lake City, UT	Can anyone clarify what geometry or convergence is? I currently own a Sony Bravia KDS-60A3000 and I've been doing a lot of research about this HDTV and everything it can do. I found a lot of people talking about some sets having geometry and/or convergence issues. It appears it has something to do with vertical and horizontal lines. Can someone please explain what geometry and/convergence is? I ran a small calibration test on my TV and I noticed some lines were not straight. Is this a geometry issue? If so, what causes it? Thank you!!

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01-12-2008, 10:14 AM	#2
WickyWoo Blu-ray Champion Member since:May 2007 Trading Score:2	Geometry- How perfectly the overall shape of the image is,usually on rear-projection sets.. Yes your lines not being straight sounds like geometry, butkeep in mind that no rearproj set willl ever be 100% perfect Convergence- CRT or rear projection, how close the 3 different colors (red greeen blue) are to being perfectly aligned

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