控制摄影镜头通光空间大小的装置是（ ） O

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30138' and id < 2438392 and id<>'2438392' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30138' and id > 2438392 and id<>'2438392' order by id asc limit 5