Lovely old test patterns (or test cards in the UK). I liked the tweaks they made to Test Card F when they made Test Card J, like re-centering the image so the X was exactly in the middle of the ...

Some test patterns were simply camera feeds of physical cards, but if you wanted the most accurate and reliable test patterns you’d need a Philips pattern generator which created the pattern ...

Optic test card If the µChart crowd funding campaign successfully raises its required pledge goal and the project completion progresses smoothly, worldwide shipping is expected to take place ...