3fr File extension 3fr is basically associated with an occupancy of Hasselblad devices used in the format of digital photography. The 3fr format is made up of the several Raw formats. It plays a similar role in digital systems as the negatives do in film photography. It comprises of aerial resolution of the digital photo along with meta-data. The raw image file like 3fr has a lot of benefits to a JPEG file, it has greater image attribute. All the transitions made on digital negatives are nondestructive. But its drawback is that its size is almost 2 to 6 times larger than JPEG file.
pcx The Picture Exchange file format, shortened PCX, with the .pcx filename extension is an image file format developed by ZSoft Corporation. It was initially released in 1985 as a lossless bitmap image format and for a time was the default file format for PC paintbrush. The format is now largely superseded by other formats given the target platforms for the software associated with the format are no longer in production, i.e. MS DOS and Windows 1.0.