In 2023, Lee Ka-sing began cataloging his photography work using the OPUS serial system. This catalog includes both new and older works.
The OPUS numbers within this archive serve as identifiers for the order in which the works were cataloged in the system. However, these numbers do not necessarily reflect the chronological order in which the works were originally created.
A single work is abbreviated as "Op.," while "Opp." is used when referring to, there are more than one work in a series. Sometimes, a single work may refer to a suite of images arranged in sequential order, resembling sentences and stanzas in a piece of writing. On the other hand, "Opp." designates a series consisting of a collection of individual photographs.
Lee Ka-sing's OPUS serial system is archived online at the following URL: https://opus.leekasing.com.
He has also established a newsletter on the SUBSTACK platform. This newsletter informs subscribers whenever a new piece is added to the OPUS Archive.
Both the OPUS serial system and the newsletter were created with the intention of providing a valuable resource for researchers, writers, collectors, and curators interested in tracking Lee Ka-sing's photography work.