Video: Canon siv lub lens mount dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
EF Lens Mount
Xav txog qhov no, puas yog tag nrho Canon lo ntsiab muag sib haum?
Canon tau los ua thawj tus tsim lub cev muaj zog uas tsav lub hom phiaj hauv txhua qhov lens , tsis yog siv lub cev muaj zog hauv lub koob yees duab lub cev. Tag nrho EF lo ntsiab muag yog sib haum nrog txhua lub koob yees duab EOS puas tau tsim, suav nrog EOS M series tshiab thaum siv nrog EF rau EOS M Mount adapter.
Kuj Paub, lo ntsiab muag dab tsi tau tshaj Canon 77d?
- Canon EF-S 18-200mm 3.5-5.6.
- Sigma 85mm f/1.4 DG HSM Art Lens for Canon EOS 77D.
- Canon EF 50mm f/1.8 STM Lens.
- Canon EF 50mm f/1.4 USM Standard & Medium Telephoto Lens.
- Sigma 50mm f/1.4 DG HSM Art.
- Sigma 35mm F1.4 DG HSM A Canon.
- Sigma 50mm F1.4 ART DG HSM Lens.
- Sigma 35mm F1.4 ART DG HSM.
Tom qab ntawd, lo lus nug yog, thaum twg Canon hloov lub lens mount?
Qhov no Mount tau qhia hauv xyoo 1971 nrog rau Canon F1 thiab kav mus txog rau EF Mount tau tshaj tawm xyoo 1987. FD tau tso cai rau kev sib koom ua ke ze zog (mechanical) ntawm lens thiab lub cev. Tag nrho lo ntsiab muag Kuv tau hais txog tam sim no (R / FL / FD) yog phau ntawv tsom.
Lub koob yees duab twg siv lub lens mount?
Daim ntawv teev cov lens mounts
| Mount npe | Flange focal nrug | Lub koob yees duab kab |
|---|---|---|
| Canon EF-M | 18 mm | Canon EOS M Series Mirrorless APS(C) koob yees duab |
| Canon RF ua | 20 mm | Canon EOS R - Full Frame Mirrorless koob yees duab |
| Nikon S | 34.85mm ib | Nikon Rangefinder |
| Nikon F | 46.5mm ib | Nikon F DSLR Full Ncej & APS(C) |
Pom zoo:
Dab tsi yog lub kaum ntse ntse telephoto lens?
Lub lens 'telephoto' yog ib qho uas muaj qhov ntev focal ntev dua li ib txwm, uas ua rau muaj qhov loj dua ntawm cov khoom thiab tsim kom pom qhov nqaim dua li lub lens ib txwm. Cov ntsiab lus 'wide angle' andtelephoto' tsis yog qhov tseeb hauv kev piav qhia alens
Dab tsi yog qhov opposite ntawm lub lens fisheye?
Qhov opposite ntawm ib tug fisheye yog ib tug rectilinearlens. Distortion ntawm fisheye lo ntsiab muag tsis yog barreldistortion, nws yog hais tias ib tug txawv projection los yog daim ntawv qhia yog tau los ntawm tsim. Lub kaum sab xis feem ntau khaws cia tab sis tsis ncaj, tshwj tsis yog tias lawv dhau los ntawm qhov nruab nrab ntawm cov ncej
Lub lens iPhone ua dab tsi?
Lub Wide 18mm Lens nthuav koj lub iPhone qhov kev pom tsuas yog txaus kom hnov zoo li qhov kev xav tshiab (txog 0.63x magnification). Lub 2x Tele 58mm Lens muab ob npaug rau theoptical zoom ntawm koj lub iPhone lub ntsiab lens yam tsis muaj kev cuam tshuam cov duab zoo li digital zoom
Dab tsi yog qhov sib txawv ntawm lub thawv thiab lub thawv ntawv thiab lub thawv ntawv yog dab tsi?
Ib lub thawv thiab cov ntawv nplawm (qee zaum hu ua boxplot) yog ib daim duab uas nthuav tawm cov ntaub ntawv los ntawm tsib lub ntsiab lus. Nyob rau hauv ib lub thawv thiab whisker zajlus: qhov kawg ntawm lub thawv yog lub sab sauv thiab sab quartiles, yog li lub thawv spans lub interquartile ntau yam. qhov nruab nrab yog cim los ntawm ib txoj kab ntsug hauv lub thawv
Zoom lens hauv lub koob yees duab yog dab tsi?
Lub lens zoom yog cov khoom sib dhos ntawm cov khoom siv uas lub focal ntev (thiab yog li lub kaum sab xis ntawm kev pom) tuaj yeem sib txawv, tsis zoo li qhov ntev focal ntev (FFL) lens (saib prime lens). Lub lens zoom tiag tiag, tseem hu ua parfocal lens, yog ib qho uas tswj xyuas kom pom tseeb thaum nws qhov ntev focal hloov