Taw qhia rau iav magnifying, magnifier

Yog koj xav paub dab tsi aiav magnifyingyog, thov nyeem cov hauv qab no:

Magnifying iavyog ib qho yooj yim pom cov khoom siv kho qhov muag siv los soj ntsuam cov ntsiab lus me me ntawm cov khoom.Nws yog convergent lens nrog ib tug focal ntev npaum li cas me dua qhov kaj nyob deb ntawm lub qhov muag.Qhov loj ntawm ib yam khoom uas tau teev tseg rau ntawm tib neeg retina yog proportional rau lub kaum sab xis ntawm lub qhov muag (saib lub kaum ntse ntse).

9892B2C USB charging LED lamp headband repair magnifying glass 05half metal frame glass lens  Learning Science Educational Magnifier

Kev taw qhia luv luv:
Qhov loj ntawm lub kaum sab xis ntawm qhov pom, qhov loj ntawm cov duab, thiab qhov ntau muaj peev xwm paub qhov txawv ntawm cov khoom.Tsiv los ze zog rau ib qho khoom tuaj yeem ua rau kom pom lub kaum ntse ntse, tab sis nws raug txwv los ntawm lub peev xwm tsom ntawm qhov muag.Siv aiav magnifyingkom nws nyob ze ntawm lub qhov muag, thiab muab cov khoom tso rau hauv nws lub hom phiaj los tsim cov duab virtual.Lub iav magnifying yog siv los ua kom pom lub kaum sab xis.Keeb kwm, nws tau hais tias daim ntawv thov ntawm iav tsom iav tau thov los ntawm grosstest, tus npis sov ntawm Askiv nyob rau xyoo pua 13th.

Thaum ntxov li ib txhiab xyoo dhau los, tib neeg muaj cov pob tshab pob tshab los yog pob zeb pob tshab rau hauv "lo ntsiab muag", uas tuaj yeem nthuav cov duab.Kuj tseem hu ua convex lens.

Txoj Cai:
Txhawm rau kom pom cov khoom me me lossis cov ntsiab lus ntawm cov khoom kom meej, nws yog ib qho tsim nyog yuav tsum txav cov khoom nyob ze ntawm lub qhov muag, uas tuaj yeem ua rau kom pom lub kaum ntse ntse thiab tsim cov duab tiag tiag ntawm lub retina.Tab sis thaum qhov khoom nyob ze ze ntawm qhov muag, nws pom tsis tau meej.Nyob rau hauv lwm yam lus, yuav tsum tau soj ntsuam, koj yuav tsum tsis tsuas yog ua kom cov khoom muaj ib tug loj txaus lub kaum sab xis ntawm lub qhov muag, tab sis kuj coj ib tug tsim nyog nyob deb.Obviously, rau ob lub qhov muag, ob qhov yuav tsum tau txwv ib leeg.Yog hais tias lub lens configured nyob rau hauv pem hauv ntej ntawm lub qhov muag, qhov teeb meem no yuav daws tau.Convex lens yog qhov yooj yim tshaj plaws magnifying iav.Nws yog ib qho cuab yeej kho qhov muag yooj yim los pab lub qhov muag saib cov khoom me me lossis cov ntsiab lus.Siv lub lens convex ua piv txwv, nws lub zog amplification yog xam.Muab cov khoom PQ nyob nruab nrab ntawm cov khoom tsom ntawm lub lens L thiab lub lens thiab ua kom nws nyob ze rau qhov tsom, kom cov khoom tsim ib daim duab loj loj p 'Q' los ntawm lub lens.Yog tias daim duab square focal ntev ntawm lub lens convex yog 10cm, lub zog loj ntawm lub iav tsom iav yog 2.5 npaug, sau ua 2.5 ×.Yog hais tias peb tsuas xav txog lub zog magnification, lub focal ntev yuav tsum luv dua, thiab nws zoo nkaus li tias lub zog loj loj tuaj yeem tau txais.Txawm li cas los xij, vim tias muaj qhov txawv txav, lub zog amplification feem ntau yog hais txog 3 ×.iav magnifying(xws li eyepiece) yog siv, lub aberration yuav txo tau thiab magnification yuav ncav cuag 20 ×.

Txoj kev siv:
Kev soj ntsuam txoj kev 1: cia lub iav tsom iav ze rau ntawm qhov pom, cov khoom pom tsis txav, thiab qhov kev ncua deb ntawm tib neeg lub qhov muag thiab cov khoom pom tsis hloov, thiab tom qab ntawd txav lub iav tsom iav rov qab thiab tawm ntawm lub qhov muag. khoom thiab tib neeg lub qhov muag kom txog rau thaum daim duab loj thiab meej.

Kev soj ntsuam txoj kev 2: lub iav magnifying yuav tsum nyob ze ntawm lub qhov muag kom deb li deb tau.Khaws lub iav magnifying tseem thiab txav cov khoom kom txog thaum daim duab loj thiab meej.

MG14109 8x22mm Illuminated Foldable Linen Tester Magnifier 02MG0401AB Cylinder 2LED 2uv portable identification magnifier with scale 02

Lub hom phiaj tseem ceeb:
Nws yog siv los saib xyuas cov ntawv thiab luam tawm cov ntawv nyiaj hauv txhab nyiaj, daim pib, nyiaj muas, npib thiab daim npav hauv nyiaj txiag, se, philately thiab hluav taws xob kev lag luam.Nws tuaj yeem txheeb xyuas qhov tseeb thiab ceev faj txog cov ntawv nyiaj cuav nrog kev daws teeb meem siab.Yog tias qhov ntsuas pom lub teeb liab tsis raug, siv lub ntsuas ntsuas.

Nws tuaj yeem raug txheeb xyuas kom raug.RMB tiag tiag muaj cov kab ntshiab thiab cov kab sib txuas hauv qab lub tshuab tsom.Cov qauv ntawm cov ntawv pov thawj cuav feem ntau yog ua los ntawm cov dots, cov kab tsis sib txuas, lub teeb xim, fuzzy thiab tsis muaj kev xav peb sab.

Siv nyob rau hauv kev lag luam hniav nyiaj hniav kub, nws tuaj yeem soj ntsuam cov qauv sab hauv ntawm gemstones, hla ntu molecular kev npaj, thiab tshuaj xyuas thiab txheeb xyuas cov qauv ore thiab kab lis kev cai relics.

Rau kev lag luam luam ntawv, nws tuaj yeem siv rau cov phaj zoo, kho xim, dot thiab ntug ncua kev soj ntsuam, thiab tuaj yeem ntsuas tus lej mesh, dot loj, overprint yuam kev, thiab lwm yam.

Siv hauv kev lag luam textile, nws tuaj yeem soj ntsuam thiab txheeb xyuas cov ntaub fiber ntau thiab warp thiab weft ntom.

Nws yog siv nyob rau hauv kev lag luam hluav taws xob los soj ntsuam cov kab txaij routing thiab zoo ntawm cov ntawv luam tawm Circuit Board tooj liab platinum board.

Nws yog siv rau kev soj ntsuam thiab Kev Tshawb Fawb ntawm cov kab mob thiab kab hauv kev ua liaj ua teb, hav zoov, nplej thiab lwm yam haujlwm.

Nws tseem tuaj yeem siv rau cov tsiaj txhu thiab cov nroj tsuag, kev txheeb xyuas thiab tshuaj xyuas cov pov thawj los ntawm cov chaw saib xyuas kev ruaj ntseg pej xeem, kev tshawb fawb kev tshawb fawb, thiab lwm yam.

Ua tsaug rau koj nyeem.Yog tias koj xav tau kev pab ntxiv, thov hu rau peb.Ua tsaug.

MG16130 three hand magnifier with chrome iron support 04china MG22181 dual-lens triplet folding magnifying glasses jewellery loupe 01


Post lub sij hawm: Oct-20-2021