Nws yog lub koob yees duab APS-C lub koob yees duab thiab tuaj nyob rau hauv ob hom focal ntev xaiv, 25mm thiab 35mm.
APS-C lo ntsiab muag yog lub koob yees duab lo ntsiab muag uas haum rau APS-C lub koob yees duab, uas muaj ntau hom sensor piv rau lwm lub koob yees duab. APS txhais tau tias Advanced Photo System, nrog C sawv rau "cropped," uas yog hom kab ke. Yog li, nws tsis yog lub lens full-frame.
Advanced Photo System hom-C (APS-C) yog cov duab sensor hom kwv yees li qhov sib npaug ntawm qhov loj me rau Advanced Photo System zaj duab xis tsis zoo hauv nws hom C (Classic), ntawm 25.1 × 16.7 hli, qhov sib piv ntawm 3: 2 thiab Ø 31.15mm txoj kab uas hla.
Thaum siv lub lens APS-C ntawm lub koob yees duab tag nrho, lub lens yuav tsis haum. Koj lub lens yuav thaiv ntau lub koob yees duab sensor thaum lawv ua haujlwm, cropping koj cov duab. Nws kuj tuaj yeem ua rau cov ciam teb txawv txawv nyob ib puag ncig ntawm cov duab vim tias koj tab tom txiav qee lub koob yees duab sensors.
Koj lub koob yees duab sensor thiab lens yuav tsum tau sib xws kom tau txais cov duab zoo tshaj plaws. Yog li qhov zoo tshaj plaws koj yuav tsum tsuas yog siv APS-C lo ntsiab muag ntawm lub koob yees duab nrog APS-C sensors.