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| Type | Commercial Circular |
|---|---|
| Topic | general |
Jayies JO Jaueau HulyjAuy "9.03910 9प3 ul dues
Basics on PHOTOGRAPHY S.BRAHMCHARI g Indian Institute of Mass Communication Nid WS 051 GE dit HS. SN: too tt (ELOWUED 93९10) JEWIOS 994४३ LUD ZLX9 LUD /X9 LUD9X9 fot —JeUWUOS WNIpalN PowwelbOld ony IENUEIA हक... 4 91393 SUB 90015 - 15 03५7 |शाधश॥] = snoo4 X14 Fe. APERTURE f/Stop Lens Opening ~~ Aperture is the size of that little hole inside the lens on your camera. It is also referred to as: _ THE IRIS . f STOP LENS OPENING DIAPHRAGM “UL 9८003 03 psmoyjje Si UB 94} Huo] MOY ‘SI 3९५३ '9आ03010 e 99९) 0} (29905 93305 ४ sesn eyawed /..903 OSI OOYL - OSI OOOL - 007 LUII4 153 | 05100 os ooL WUNIPeWN 05105-५८ (1]]अ MOIS | (UOIZESIUCHIO SPsepUe}s JEUO!IZEUI93UI) OS! (WU94SAS |21J}SNPU| UBLUJAD) NIG (UO}Je1D0ssy SpJepUes ०49८४) WS : AQ paunseaw 5] 99905 willy SUL Day Light Exposure Table Shutter speed, equal to the ASA speed. F/number Bright sun F/22 Hazy bright sun f/16 Hazy, half hiddensun _— f/11 Clowdy bright f/8 Clowdy | f/5.6 Deep shade _ under a porch F/4 EXPOSURE Aperture shutter Speed F/22 1/15 . ५५16 1/30 f/11 1/60 t/8 1/100 or 125 f/5.6 1/250 | F/4 1/500 f/2.8 1/1000 f/1.8 1/2000 These settings would all give the same exposure. LENSES 6-9mm 10-20 mm 24mm 28 mm 55mm [90 mm 70mm 100 mm 1385 mm . 200 mm 250 mm 500 mm 900 mm 1000 mm Fish-eye Ultra wide | wide | Normal - Mid Tele Long Tele "WLU QOOL “WLW 005 ‘UW 009 099 ' 921 PIIM ‘plpues ‘Mods JO¥ 1९901 709/qns FUE; SIP SOISUBEY '5061 18903 6001 “AJUO 90902 Mojjeys /.9/ e 03 (9939113594 SOLUODEq SsSoUdUeYs 009४ ‘eoWeO 9५) 03 95019 AJOA BHUIYJEWIOS UO SNOOJ MON ‘dueus 1९9. sueodde ous oy} JO JUNOWe! pds e AjUO 3४५५ PUI IM NOA pue ‘Aeme |994 Mos ९ BHUIUJOWOS 03090 SUd| 9५३3 SNIOJ-du आप ‘Weal 33944 SLUS9S HUIUJAJBAS ‘MDIA 30350 ९ ‘pasnoosop Ajbulseasoul ५59000090 Aeme Jayies JO Jaueau HulyjAuy "9.03910 9प3 ul dues 19०. JEAdAE JIM 91825 0िप[91903 8y} UO 99प४३५७0 3९४५३ 3४ 53990 AjUO '5099] e 51903 110/ usuUM WW 00E - 82 WW 00Z - 82 LULU 00£ - OZ LULU ५0८ - ५8 LULU GOL - ५१८ WW OZ - SE "98608, poqiuu| ९ JIQeEIIEA ९ 590170.0 S 1 W002 v "YHus| Jeo03, Sua}, 84} S| AWUIJU! e pesnoo} s| 5५9] ay} ५9५00 8080 (LUI Ig 19 6 WI 9093 OF SUB] 9५५ न soe 0९१90 aul Depth of field varies with: e the DISTANCE at which the lens is focused e the FOCAL LENGTH of the lens e and the lens f/stop APERTURE e (Alter any of these, and depth of field changes) Depth of field is greatest when: e the lens is focused at.a:distance e you are using a (wide angle lens) e the lens aperture is stopped down f/16 Depth of field is shallow when: e you are focusing on close subjects e using a long-focus lens e the lens aperture is opened up (f/2)
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