The Sony HDR-AS20 is an 11.9-megapixel camcorder with no optical zoom and has a 35mm-equivalent focal length of 15.3mm (fixed). It lacks an LCD. The camcorder has a maximum aperture of f/2.8.
The Sony HDR-AS20 stores video and photos on MicroSD, MicroSDHC and MicroSDXC memory cards and has no internal storage. It captures full HD video as MPEG-4 AVC/H.264 files at a resolution of 1920×1080 at 60p frames per second and 11.9-megapixel resolution stills as JPG files.
The image stabilization system for this camcorder is electronic. The Sony HDR-AS20 measures 0.5 inches wide by 1 inches high by 1.6 inches in length, and weighs 0.2 pounds. With its included enclosure it measures 1.4 inches wide by 2.5 inches high by 3.8 inches in length, and weighs 0.3 pounds.