Sony Mavica 411
Sony Mavica .411 format is a thumbnail image format produced by Sony Mavica cameras. It is a raw bitmap format, with no headers or identifying information. The image is always 64×48 pixels, and uses YUV color.
The .411 extension is probably derived from the 4:1:1 style of chroma subsampling.
"411" files are exactly 4608 bytes in size. Apparently, the filename often starts with "MVC-".
- Netpbm: 411toppm
- Sony Mavica 411 to PPM file converter (origin of Netpbm's 411toppm)