"Large format film (13x18cm) 6 ISO, orthochromatic. Aperture F = 1/266, exposure time about 3.5 minutes. Development using two bath developers (DD23)."
"Handmade darkroom wood (oak and walnut), to receive frame size 13x18 cm. The pinhole measure 0.36 mm for a focal length of 10 cm. The front can be shifted vertically (+ or - 3.5 cm) resulting in a tilting of the pinhole to compensate the vignetting. The room is equipped with a viewfinder."