Tube blemishes: black spots, chicken wire, edge glow and what is normal
Black and bright spots, chicken wire, edge glow: which image defects are cosmetic, which are operational, and how to check for them yourself.
Tube generations explained – and what is available in the EU
Gen 1 to Gen 3 without the marketing: what generations mean, why FOM matters today, and which tubes EU civilians can actually buy.
White vs. green phosphor: the difference and how to choose
P43 (green) and P45 (white) phosphor: what the manufacturer says, what is subjective, and how to choose for your use.
How to read an image intensifier tube datasheet: FOM, SNR, EBI, halo (+ decoder)
What the numbers on an image intensifier tube datasheet mean, why FOM alone isn't enough, and how to check that a datasheet belongs to your tube.