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An alpha build for 1.00B is available from the Download page. Use the Porting thread for questions and bug reports.

ELPH 150 IS (IXUS 155  in Europe) was released in January 2014. Note the IXUS157 appears to be compatible.

Technical Data[]

  • Digic 4+  with iSAPS technology
  • DryOS operating system
  • Sensor: 20 million effective pixels, 1/2.3 inch CCD
  • Max resolution (JPEG): 5152 x 3864
  • 10x optical zoom lens 4.3 – 43.0 mm (35 mm equivalent: 24 – 240 mm), Image stabilization
  • Display: 6.8 cm (2.7") LCD (TFT), Approx. 230,000 dots
  • No optical viewfinder
  • Native ISO: 100 - 1600
  • Movie Recording:  1280x720 (25 fps), 640x480 (30 fps)
  • Movie codec: H.264 (Quicktime), monaural audio
  • Power: Lithium-ion, Canon NB-11L, NB-11LH
  • Storage types: SD/SDHC/SDXC
  • Weight:
    • camera only (without battery and memory): 125g ( 4.41 oz),
    • camera, battery, and memory: 142g (5.01 oz)

For Developers[]

Porting thread: https://chdk.setepontos.com/index.php?topic=14376.0

General info[]

  • DryOS
  • FW start address: 0xff820000

Firmware Dumps[]

  • Ixus155 Firmware 1.00B (note dump in archive is incomplete)
  • Ixus157 Firmware 1.00B (believed compatible with 155)

Download location for firmware dumps: FW Dump IXUS155