Bis is a Latin prefix or suffix designating the second instance of a thing, thus preceding ter. An example in recent modern usage is the ITU-T modem standard from the late 20th century, V.32bis. Bis can also refer to:
Pachelbel's Canon in D major, a piece of chamber music scored for three violins and basso continuo and originally paired with a gigue in the same key, experienced a tremendous surge in popularity during the 1970s.
Canon FTb. The Canon FTb is a manual focus SLR that was introduced by Canon, Inc. in March of 1971. It was introduced alongside the professional-level Canon F-1 and was intended for advance amateur use. It was a solid, well-designed camera that has withstood the test of time. It has quite a cult-following among Canon FD-lens afficianados.