Calotype lossis talbotype yog txheej txheem yees duab thaum ntxov tau qhia hauv 1841 los ntawm William Henry Fox Talbot, siv cov ntawv coated nrog nyiaj iodide. Lo lus calotype los ntawm Ancient Greek καλός, "zoo nkauj", thiab τύπος, "impression".
calotype txhais li cas hauv kev yees duab?
Description: Tus thawj tsis zoo thiab zoo txheej txheem tsim los ntawm William Henry Fox Talbot, lub calotype yog qee zaum hu ua "Talbotype." Cov txheej txheem no siv daim ntawv tsis zoo los ua cov ntawv luam tawm nrog cov duab softer, tsis tshua muaj cov duab zoo dua li daguerreotype, tab sis vim tias muaj qhov tsis zoo, nws muaj peev xwm ua tau ntau yam …
txheej txheem calotype txhais li cas?
Calotype, tseem hu ua talbotype, cov txheej txheem yees duab thaum ntxov tau tsim los ntawm William Henry Fox Talbot ntawm Great Britain hauv xyoo 1830. Nyob rau hauv cov txheej txheem no, ib daim ntawv coated nrog silver chloride raug rau lub teeb nyob rau hauv lub koob yees duab obscura; cov cheeb tsam ntawd raug teeb los ua tsaus hauv lub suab, ua rau cov duab tsis zoo.
Koj ua calotype li cas?
Tau tsim cov calotype, Talbot tsim lub teeb-sensitive nto los ntawm txheej ib daim ntawv, feem ntau sau ntawv, nrog ib tug daws ntawm silver nitrate. Nws muab daim ntawv qhuav kom qhuav thiab coated nrog poov tshuaj iodide los tsim nyiaj iodide.
Dab tsi yog qhov teeb meem nrog lub calotype?
Piv rau daguerreotype, ntau tus neeg pom cov calotypes txawv raws li qhov tsis zoo. Cov txheej txheem tau qeeb dua. Cov tshuaj tsis raug tswj xyuas thiab feem ntau tsis huv uas ua rau cov txiaj ntsig tsis sib xws. Qhov ntawd darn "kho" ntawm daim duab tseem yog qhov teeb meem, thiab luam tawm feem ntau ploj mus dhau sijhawm.
