What's Easy for Two Is Hard for One What's Easy for Two Is Hard for One "What's Easy for Two Is Hard for One" (also known as "What's Easy for Two Is So Hard for One") is a song written and produced by Smokey Robinson and released as a single by singer Mary Wells for the Motown label. In this song, the narrator is longing for a longtime partnership with a suitor and constantly begs the man to "take her to the preacher man" in hopes the couple does "what should be done" because "what two can easily do is so hard to be done by one". Released
Four Thirds system DSLRs. The smaller flange focal distance allows for more compact normal and wide angle lenses. It also facilitates the use, with an adapter, of lenses based on other mounting systems, including many manual focus lenses from the seventies and eighties. In particular, Four Thirds lenses can be used on Micro Four Thirds bodies with an adapter, however, "all of the functions of the Micro Four Thirds System may not always be available." Four Thirds system The Four Thirds System is a standard created by Olympus and Eastman Kodak for digital single-lens reflex camera (DSLR) and mirrorless camera design and development.