← Previous 2022 Vienna (IJCAI) Next → The Riesenrad in Prater, opened in 1897 CameraRicoh Pentax K-3 IILensHD PENTAX-DA 20-40mm F2.8-4 LimitedFocal length20 mm (30 mm in 35mm)Apertureƒ/2.8Shutter speed1/10 secISO3200ProgramCreativeMeteringPatternFlashDid not fire