The LG 50LF580 has a maximum display resolution of Full HD. That's 75% less display resolution than a 4K Ultra HD TV, which is the most common display resolution. Full HD TVs have a resolution of 1920 x 1080 pixels.
Full HD TVs have a resolution of 1920 x 1080 pixels.
We compared this television to all the other Full HD televisions and we think the UE55J5570, and the UE60J6250 both from Samsung or the Philips 55PFK6540 which is cheaper is also worth considering.
If the display resolution of this TV is not high enough for you then you might want to consider the TX-65CXW804 (4K Ultra HD), or the TX-55CR430 (4K Ultra HD) both from Panasonic or the LG 55UF671 (4K Ultra HD) which is also cheaper.