Chapter 10: Imaging Reference Material 10.1 Introduction 10.2 Using the Information in this Chapter 10.2.1 Sensitivity Units and Conversions 10.2.2 Signal-to-Noise 10.2.3 Point Spread Functions WFC/F435W WFC/F475W WFC/F502N WFC/F550M WFC/F555W WFC/F606W WFC/F625W WFC/F658N WFC/F660N WFC/F775W WFC/F814W WFC/F850LP WFC/G800L WFC/CLEAR HRC/F220W HRC/F250W HRC/F330W HRC/F344N HRC/F435W HRC/F475W HRC/F502N HRC/F550M HRC/F555W HRC/F606W HRC/F625W HRC/F658N HRC/F660N HRC/F775W HRC/F814W HRC/F850LP HRC/F892N HRC/G800L HRC/PR200L HRC/CLEAR SBC/F115LP SBC/F122M SBC/F125LP SBC/F140LP SBC/F150LP SBC/F165LP SBC/PR110L SBC/PR130L 10.3 Geometrical Distortion in the ACS 10.3.1 WFC 10.3.2 HRC 10.3.3 SBC