dvr record quality tvl

[FIERCE4203 0]

sorry if this is posted somewhere else. I f you have a dvr that records say full d1 (704 x 480) and you have a 550 tvl line camera at (768 x 494) are you really seeing the benefits of a high def camera? Or am i misinterpreting something always wante dto know this. Thanks for any help.

[FIERCE4203 0]

answered my own question tjose who want to know heres some info I found.

 

http://www.securitycameraking.com/securityinfo/2009/08/the-relationship-between-the-camera-tvl-and-the-resolution-of-the-dvr/

[mrreddog 0]

thats something ive always wondered too, very good info..but then why is there 580 and above cameras? most dvrs have a max resolution of 4 cif or d-1,so the 580 and 600 tvl are not any better than a 540? or maybe i have it all wrong