 chitram yokka saraina ex ‌ poser ‌ nu prabhaavitam chese  DSLR  cameraloni pradhaana vidhulu emti ?
 photographylo ,  ex ‌ poser viluva  (EV)  anede caamera yokka shuter scs mariyu epf - nambar kalayikanu suuchinchae sanka ,  antey oche ex ‌ poser ‌ nu andhinchay anni combination ‌ lu oche  EV ni kaligi untai  ( edaina sthiramaina drusya kaantiki ).  ex ‌ poser viluva phootoograaphik ex ‌ poser scale ‌ pai viraamaanni suchinchadaniki kudaa upayoginchabadutundi ,  staendard pvr - af -2  ex ‌ poser step ‌ ku anugunamga  1 EV  thaedaatho ,  saadharanamga stop ‌ gaaa suchistaru .

EV  consept ‌ nu  1950 lalo jarman shuter thayaridaru frederick deckel abhivruddhi chesar  ( gebele  1958;  Rae  2000, 318).  shuter scs mariyu epf - nambar  ( udaa ., f/16  oddha  1/125  se )  kalayikalanu oche sankhyatho  ( udaa . 15)  bhartee cheeyadam dwara samaanamaina caamera ex ‌ poser setting ‌ l empikanu sulabhatharam cheeyadam deeni uddhesam .  leaf shuter ‌ lato koodina konni lens ‌ lalo ,  shuter mariyu aperture niyanthranalanu linc cheyadanki anumatinchadam dwara procedure marinta sulabhatharam cheyabadindhi ,  okati marchabadinappudu ,  marokati adae ex ‌ poser ‌ nu nirvahinchadaaniki swayamchaalakangaa sardubatu cheyabaduthundhi .  shuter scs mariyu aperture mariyu vaati Madhya sambandhaalapai parimitha avagaahana unna praarambhakulaku idi pratyekamgaa upayogapadindi .  conei anubhavagnulaina photographer ‌ laku chalananni aapadaaniki shuter scs ‌ ni ledha fiield depth choose epf - nambar ‌ ni enchukovachhu ,  endhukante idi manasika gananala avsaram lekunda - vaegavanthamaina sardubaatuku anumatinchindi mariyu chese samayamlo lopam sambhavinchee avakaasaanni taggistundi .  sardubatu .
DSLR  kemeranu  ' automatic '  maud ‌ ku sett cheyakapothe ,  mee emage ‌ ki saraina ex ‌ poser ‌ nu nirnayinchetappudu pariganinchaalsina  3  praadhimika vidhulu unnayi .
1)  aperture  -  lens ‌ pai unna aperture entha vedalpugaa sett cheyabadindo adi aperture dwara entha kantini prasarimpajeyagalado nirnayistundhi .  ooka chinna aperture  ( udaa . f/16)  visthrutha eparcharuku  ( udaa . f/2.4)  vyatirekamga sensar ‌ nu chaerukoovadaaniki takuva kantini anumatistundi .
2)  shuter scs  -  meeru kemeralo vidudalanu nokkina tarwata shuter entasepu terichi unchabaduthundi .  takuva ex ‌ poser samayam  ( udaa . 1/1000  sekanu )  caamera sensar ‌ nu takuva kantini taakutundi ,  ayithe ekuva kaalam ex ‌ poser  ( udaa . 1/4  sekanu )  sensar ‌ nu ekuva kantini takela chesthundu 
3) ISO  setting  -  sensar kantini thaakinappudu entha sunnithamgaa untundho niyanthrinchadaaniki yea setting upayoginchabadutundi .  takuva  ISO  setting  ( udaa . ISO 200)  adhika  ISO  setting  ( udaa . ISO 1600)  kante chaaala takuva sensitive ‌ gaaa umtumdi ,  antey sensar ‌ pai emage ‌ ni kaptur cheyadanki takuva kanthi avsaram .
 meeru srushtinchadaaniki prayatnistunna chitram mariyu prabavam aadhaaramga saraina ex ‌ poser viluva srushtinchabadindani nirdhaarinchadaaniki yea  3  function ‌ lu samashtigaa pania chestaayi .