Looking inside the blast furnace

Clearly visible is how the tuyeres, the nozzles that blow in the air to heat up the furnace, enter the chamber.

Foma Fomapan 200 @ EI 200; developed in HC-110 dilution H for 7 minutes, agitation: 2 inversions every 30 seconds

  • Aperture: ƒ/1.7
  • Camera: PENTAX MZ-S
  • Focal length: 20mm
  • ISO: 200
  • Shutter speed: 1s

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