Quote:
Originally Posted by zeno
Be careful of that one. It may be for an EFL CRT, that would have 2 focus
terminals. EFL is "extended field lens" or "tri focus CRT" big difference
is it has 3 focus grids. VERY bright & sharp. Came out in H chassii on
high end 17 & 19" sets. 13" & 25 " were added in the L chassis.
Zeno
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Interesting... how old are the first 3 grid focus (2 adjustments) CRT? I see that are used for monitors, also (in person I've seen only last era TV's and monitors using it***).
EDIT, NOTE: ***(since I worked only in the early 2000's with TVs)