question: Which cameras were first of their type to adopt the ASA scale ?
answer: The Weston Cadet ( model 852 introduced in 1949 ) , Direct Reading ( model 853 introduced 1954 ) and Master III ( models 737 and S141 .3 introduced in 1956 )
turker_answer: The Weston Cadet ( model 852 introduced in 1949 ) , Direct Reading ( model 853 introduced 1954 ) and Master III ( models 737 and S141 .3 introduced in 1956 ) were the first of their type to adopt the ASA scale .
rule-based: First of their type to adopt the ASA scale were the Weston Cadet ( model 852 introduced in 1949 ) , Direct Reading ( model 853 introduced 1954 ) and Master III ( models 737 and S141 .3 introduced in 1956 .