Chapter 1: Introduction In This Chapter... Instrument Overview Which Instrument to Use: WFPC2, ACS, NICMOS, or STIS? History of WFPC2 The Previous vs. Current Generation: WF/PC-1 vs. WFPC2 Organization of this Handbook What's New in Version 5.0 for Cycle 10 WFPC2 Handbook on the WWW The Help Desk at STScI Further Information
