▁the ▁body ▁travers ed ▁by ▁the ▁X - ray ▁beam . ▁Trans m itted ▁intens ities ▁now ▁fall ▁on ▁the ▁phot oc ath ode ▁stim ulating ▁it ▁to ▁produce ▁electrons ▁in ▁quantities ▁external ▁to ▁the ▁light ▁intens ities ▁em itted ▁by ▁the ▁input . ▁This ▁is ▁caused ▁by ▁the ▁formation ▁of ▁a ▁light ▁image ▁of ▁the ▁transm itted ▁radiation ▁pattern . ▁Elect rons ▁from ▁the ▁phot oc ath ode ▁are ▁acceler ated ▁and ▁focused ▁electron ically ▁out ▁on ▁the ▁output ▁ph osph or ▁which ▁em its ▁light ▁as ▁a ▁result ▁of ▁electron ▁bomb ard ment . ▁This ▁shows ▁a ▁magn ified ▁image ▁of ▁what ▁appears ▁on ▁the ▁input ▁ph osph or . ▁The ▁sem it r ans parent ▁mirror ▁spl its ▁the ▁image ▁in ▁which ▁one ▁part ▁is ▁focused ▁by ▁the ▁camera ▁l ens ▁onto ▁the ▁film ▁to ▁form ▁the ▁image . ▁The ▁image ▁size ▁depends ▁on ▁the ▁foc al ▁length ▁of ▁the ▁camera ▁l ens . ▁ ▁At ▁the ▁same ▁time , ▁the ▁TV ▁camera ▁l ens ▁focus es ▁the ▁light ▁to ▁form ▁an ▁image ▁on ▁the ▁TV ▁camera ▁phot ore ceptor ▁where ▁the ▁image ▁is ▁transformed ▁to ▁a ▁complex ▁electronic ▁signal ▁and ▁sent ▁to ▁the ▁electronic ▁image ▁distrib utor . ▁This ▁then ▁passes ▁the ▁image ▁to ▁the ▁various ▁display ▁or ▁recording ▁devices , ▁e . g . ▁a ▁vide ot ape ▁rec order , ▁k ines cope , ▁TV , ▁or ▁display . ▁ ▁See ▁also ▁ ▁Ch est ▁phot of lu or ography ▁ ▁References ▁▁ ▁Category : F lu