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Usando un 50mm f/1.8 invertido, sin anillo (sosteniendolo a mano), bloqueando el pestillo interno en la máxima apertura
This double-sided circuit board I laid out with tape, etched and drilled myself. This is done by exposing a photo resist board to UV light through a negative, developing and then etching. I made two and this was the spare. Note the stork from Mad Magazine.