AF lens yog dab tsi?
AF lens yog dab tsi?

Video: AF lens yog dab tsi?

Video: AF lens yog dab tsi?
Video: DaB neeg funny xoi tau nom 2024, Kaum ib hlis
Anonim

AF - sawv rau Auto Focus , uas txhais tau tias cov lens tuaj yeem tsom los ntawm lub koob yees duab. AF -D - Auto Focus nrog DistanceInformation. Ib yam li AF , tshwj tsis yog nws tuaj yeem tshaj tawm qhov kev ncua deb ntawm qhov kev kawm thiab cov lens thiab mam li qhia cov ntaub ntawv ntawd rau lub koob yees duab. AF -S - Auto Focus nrog Silent Wave Motor.

Yog li ntawd, qhov txawv ntawm AF P thiab AF S lo ntsiab muag yog dab tsi?

Cov AF - P npe txhais tau tias a lens siv lub tshuab pulse, li no " P . " Lub pulsemotor tso siab rau cov kauj ruam motors txav cov khoom hauv lub lens kom ua kom pom tseeb. Qhov no yog qhov sib piv rau AF - Slenses , uas siv Nikon's Silent Wave Motor (SWM) thiab vam khom lub zog los ua kom pom tseeb. cov lens optics.

Ib tug kuj yuav nug, Nikon AF D lens yog dab tsi? AF - D . Nikon qhia AF - D series lo ntsiab muag hauv xyoo 1996, thaum cov lo ntsiab muag zoo ib yam li AF lo ntsiab muag lawv muaj ib qho encoding microchipts xa cov ntaub ntawv qhia txog qhov deb mus rau lub koob yees duab lub cev, cov ntaub ntawv no yog siv los txhim kho qhov tseeb ntawm lub koob yees duab kev sib raug zoo thiab flash metering systems.

Yog li ntawd, AF thiab MF txhais li cas ntawm lub koob yees duab lens?

MF yog ib tug abbreviation rau phau ntawv tsom . Thaum a koob yees duab los yog lens muaj MF sau nyob rau sab ntawm nws, nws yog feem ntau qhia txoj hauj lwm ntawm ib tug hloov uas yuav hloov lub koob yees duab los yog lens los ntawm manualfocus hom rau autofocus hom. Hauv hom autofocus, lub koob yees duab yuav sim tsom ntsoov rau qhov tseeb rau koj.

G thiab D yog dab tsi hauv Nikon lens?

G - Hom NIKKOR Lenses A G - hom lens tsis muaj aperture tswj nplhaib thiab yog npaj rau siv rau Nikon D -SLRs uas tso cai rau cov lens apertureto yuav raug kho los ntawm lub koob yees duab cov lus txib hu. Qhov tsis muaj anaperture tswj lub nplhaib yog kab tias qhov yooj yim tshaj plaws uas koj tuaj yeem qhia tau tias a lens yog a G - Hom NIKKOR ornot.

Pom zoo: