Xov xwm

Kuj tseem hu ua binoculars. Nws yog ib qho kev soj ntsuam ntsuas uas tsim los ntawm ob lub telescopes nrog tib qhov kev ua tau zoo uas ua tau raws li qhov xav tau ntawm tib neeg lub qhov muag. Nws ...

Binoculars, tseem hu ua "binoculars". Lub telescope muaj ob lub monoculars juxtaposed. Qhov kev ncua deb ntawm ob lub qhov muag tuaj yeem hloov kho kom ob lub qhov muag tuaj yeem soj ntsuam tib lub...

Scopes feem ntau muab faib ua peb pawg hauv qab no: Telescopic pom, Collimating optical pom, thiab Reflex pom. Ntawm lawv, telescopic sights thiab reflective sights yog nrov tshaj plaws. Ob hom kev...

Los ntawm 40s ntawm lub xyoo pua 19th, ib co American phom mechanics pib tsim phom nrog optical pom cov cuab yeej. Nyob rau xyoo 1848 Morgan James ntawm New York tau tsim cov cuab yeej pom lub cev ...

Lub hauv paus chiv keeb ntawm lub peev xwm, los yog qhov muag pom, yog qhov nyuaj rau kev txheeb xyuas. Nws tau hais tias tsawg kawg hauv Tebchaws Europe hauv xyoo pua 16th, tau sim kho cov tsom ia...

Kev soj ntsuam txoj kev 1: cia lub iav tsom iav ze rau ntawm qhov khoom ntawm kev soj ntsuam, cov khoom soj ntsuam tsis txav mus, qhov kev ncua deb ntawm tib neeg lub qhov muag thiab cov khoom soj ...

Txhawm rau kom pom cov ntsiab lus ntawm cov khoom me me lossis cov khoom, nws yog qhov yuav tsum tau txav cov khoom kom ze rau ntawm lub qhov muag, uas tuaj yeem ua rau lub kaum sab xis ntawm qhov ...

Magnifiers yog ib qho yooj yim pom optics siv los soj ntsuam cov ntsiab lus me me ntawm ib qho khoom, thiab yog converging lo ntsiab muag nrog ib tug ntau me me focal ntev tshaj qhov photopic deb n...