Sinthani kutalika kwa mamita 35mm ku APS-C kamera zamakono
Makamera ena a digito amafunika kuchulukitsa kutalika kwake kuti awonetsetse kuti wojambula zithunzi akupeza momwe amayembekezera. Izi zinangokhala zofunikira pamene kujambula kujambula kuchoka ku filimu kupita ku digito, ndipo makina ena a DSLR anasintha kwambiri zomwe zakhudza kutalika kwa kukula kwa maselo amodzi.
Pamene mukugwirizanitsa kamera ya digito ndi lens, nkofunika kudziŵa ngati mulingo wochulukitsa kutalika ukuyenera kuonedwa kapena ayi-ingakhudzidwe kwambiri ndi malonda omwe mumagula chifukwa mukhoza kugula lens lomwe silikugwirizana ndi zosowa zanu.
Kodi Mbali Yopambanitsa Yotani?
Makamera ambiri a DSLR ndi APS-C, omwe amatchedwanso kuti makomera a mbewu . Izi zikutanthauza kuti ali ndi sensa yaing'ono (15mm x 22.5mm) kuposa malo a 35mm filimu (36mm x 24mm). Kusiyana kumeneku kumakhala kovuta ponena za kutalika kwa maselo .
Kwa nthawi yaitali mawonekedwe a filimu 35mm akhala akugwiritsidwa ntchito ngati kujambula pojambula zithunzi kuti adziwe kutalika kwake kwa malonda omwe ojambula ambiri amawazoloŵera. Mwachitsanzo, 50mm amaonedwa kuti ndi yachilendo, 24mm ndizitali, ndipo 200mm ndi telephoto.
Popeza kamera kamene APS-C kamakhala ndi khungu kakang'ono ka chithunzi, kutalika kwa makalenti ameneŵa kumasinthidwa pogwiritsa ntchito wochulukitsa kutalika.
Kuwerengera Wokongola Kwambiri Kwambiri
Zowonjezereka zimakhala zosiyana pakati pa opanga. Izi zikhonza kukhala zosiyana ndi thupi la kamera, ngakhale ambiri opanga ngati Canon akufuna kuti muwonjezere kutalika kwa lens ndi x1.6. Nikon ndi Fuji amakonda kugwiritsa ntchito x1.5 ndi Olympus amagwiritsa ntchito x2.
Izi zikutanthauza kuti chithunzichi chidzagwira chithunzi chomwe chili ndifupipafupi 1.6 kuposa zomwe zingagwidwe ndi filimu 35mm.
Kuwonjezera pa kutalika kwa maselo omwe amagwiritsidwa ntchito ndi frame DSLR chifukwa makamerawa amagwiritsa ntchito mofanana ndi filimu 35mm.
Zonsezi sizikutanthauza kuti mukuchulukitsa lens yanu yonse ndi kukweza kutalika; Ndipotu, equation imawoneka ngati ichi:
Zowonjezera Zowonjezera Zowonjezera ÷ Kutalika Kwambiri Maginito = Kutalika Kwambiri kwa APS-C
Pankhani ya Canon APS-C ndi x1.6 izo zikuwoneka ngati izi:
50mm ÷ 1.6 = 31.25mm
Mosiyana ndi zimenezo, ngati mukuyika lensiti ya APS-C pamtundu wa kamera (osakulangizidwa chifukwa mudzapeza vignetting ), ndiye kuti mudzachulukitsa lens ndi kukweza kutalika kwake. Izi zidzakupatsani mpangidwe wanu wonse.
Ganizirani Maganizo a Mngelo
Ziri zambiri za momwe amawonera poyerekezera ndi kukula kwake kusiyana ndi kutalika kwake kwa lens, ndikuti makilogalamu 50mm ali ndi lens lalikulu pa APS-C.
Ichi ndi gawo lovuta kwa ojambula omwe akhala akugwiritsa ntchito filimu 35mm kwa zaka ndipo zimatenga nthawi kuti mugulire malingaliro anu pa njira yatsopano yoganizira. Dzifunseni nokha ndi malingaliro a lens m'malo mozungulira kutalika.
Nazi zina mwazithunzi zowonongeka za lens kuti zithandize maonekedwe ndi kutembenuka:
Maganizo a Angle (madigiri) | 35mm 'Full Frame' | Canon x1.6 APS-C 'Mbewu' | Nikon x1.5 APS-C 'Mbewu' | |
---|---|---|---|---|
Telephoto Yaikulu | 2.1 | 600mm | 375mm | 400mm |
Telephoto Yakale | 4.3 | 300mm | 187.5mm | 200mm |
Telephoto | 9.5 | 135mm | 84.3mm | 90mm |
Zachibadwa | 39.6 | 50mm | 31.3mm | 33.3mm |
Zachibadwa-Zonse | 54.4 | 35mm | 21.8mm | 23.3mm |
Zonse | 65.5 | 28mm | 17.5mm | 18.7mm |
Kwambiri Kwambiri | 73.7 | 24mm | 15mm | 16mm |
Super Wide | 84 | 20mm | 12.5mm | 13.3mm |
Ultra Wide | 96.7 | 16mm | 10mm | 10.7mm |
Kujambula kwadongosolo kumapangidwe
Pofuna kupewa vutoli, ambiri opanga makamera tsopano amapanga makina opanga "digito" omwe amagwira ntchito ndi makamera APS-C.
Mapulogalamuwa amasonyeza kutalika kwa nthawi zonse, ndipo amafunabe kuti kuchulukitsa kwa kutalika kwagwiritsidwe ntchito kwa iwo, koma kuti apangitse malo omwe amatha kugwiritsa ntchito makomera a mbewu.
Nthawi zambiri zimakhala zowala kwambiri komanso zimakhala zosiyana kwambiri ndi zamakono zamakono.