Description: *1/4" Zoom Lens Built-in(X22), 470,000 Pixels, 480 Lines, X220,AC24V/DC12V * 1/4” Sony Super HAD CCD * DSP High Resolution 470TV Lines * SZC550 : 22x Optical Zoom (3.9-85.8mm), 25X Digital Zoom * SZC980L : 35X Optical 3.6-126mm), 25X Digital Zoom * SZC550 : D&N function by Color Kill * SZC980L : D&N function by IR Filter Removal Mechanism, Digital Show Shuttle * IR Sensing in BW (SZC980L) * Auto-Iris & Auto Focus