The camera the first part was filmed through is a "Rolleiflex Automat 6x6 - Model K4B" stills camera from the 50s. It was in working condition. It was a present from a private collection of a customer of the director.
It features a big focusing screen for composing the image which creates a unique look.
The film was filmed in an abandoned textile factory within one hour, the music, sound recording and all editing was done the same day.