Hey Paul, The HC-42 has a larger sensor chip than the HC-32, meaning the images will be less noisey and perform better in low light. The less optical and digital zoom is not a major factor because buyers of larger or multiple chip camcorders typically want wide angle shot (more in the picture) than zoomed shots. High zooms are more for the user than doesn't have access to certain shots, or doesn't like to move around for shots. Nick

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