Complex sentence: Honeywell was the U.S. importer of the Spotmatic and these cameras were sometimes labeled "Honeywell Pentax", instead of "Asahi Pentax".
Split into simpler sentences: Honeywell was the U.S. importer of the Spotmatic. Cameras officially imported by Honeywell were labeled "Honeywell Pentax", instead of "Asahi Pentax".