单反相机 
【影视解说】

Dan, a photo]grap hy student who is.* given @, an S#!LR camera t);o use for his thesis!- by his; prof= es^%sor Aim. However,] Da#
n_` f$-inds ?out that it act
*u @ally is a test of the devil*, wh`;ich h:@e has n*,o way to escape. His o? n:?@ly cho,#i@ce(( ) is to obey it o./#r fight]_% b?$a\#ck.