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1/80 f/3.5 10.2 mm ISO 200

PENTAX Corporation PENTAX Optio S5z

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Keywords

clock
electronics
VFD
adafruit
ice tube clock
getter
flash getter


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Ice Tube clock - VFD macro

Ice Tube clock - VFD macro
Interference fringes of a thin film.

I guess some of the getter material (e.g. Barium) deposited there.

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