Iinjongo zivumela ii-microscopes ukuba zinikeze imifanekiso ephakanyisiweyo, yokwenene kwaye, mhlawumbi, icandelo elinzima kakhulu kwinkqubo ye-microscope ngenxa yoyilo lwazo ezininzi. Iinjongo ziyafumaneka ngokukhulisa ukusuka kwi-2X - 100X. Zahlulwe zaba ziindidi ezimbini eziphambili: uhlobo lwesiqhelo lwe-refractive kunye nokubonakalisa. Iinjongo zisetyenziswa ubukhulu becala ngoyilo lwe-optical ezimbini: i-conjugate designs ezinomda okanye ezingenasiphelo. Kuyilo lwe-optical olunesiphelo, ukukhanya okuvela kwindawo kugxilwe kwenye indawo ngoncedo lwesibini sezinto ezibonakalayo. Kuyilo olungenasiphelo lwe-conjugate, ukukhanya okuphambukayo ukusuka kwindawo kwenziwa ngokuhambelana.
Ngaphambi kokuba iinjongo ezilungisiweyo ezingapheliyo zaziswe, zonke iimicroscopes zazinobude obusisigxina betyhubhu. I-microscopes engasebenzisi i-infinity corrected optical system inobude obuchaziweyo betyhubhu - oko kukuthi, umgama omiselweyo ukusuka kwi-nosepiece apho injongo ifakwe kwindawo apho i-ocular ihleli kwi-eyetube. IRoyal Microscopical Society yamisela ubude betyhubhu ye-microscope kwi-160mm ngenkulungwane yeshumi elinesithoba kwaye lo mgangatho wamkelwa ngaphezu kweminyaka eyi-100.
Xa izincedisi zamehlo ezifana nesikhanyisi esithe nkqo okanye i-polarizing accessory yongezwa kwindlela yokukhanya ye-fixed tyhubhu yobude be-microscope inkqubo yokubona eyakha yalungiswa ngokugqibeleleyo ngoku inobude obusebenzayo betyhubhu engaphezu kwe-160mm. Ukuze ulungelelanise utshintsho kubakhiqizi be-tube ubude baphoqeleka ukuba babeke izinto ezongezelelweyo ze-optical kwi-accessories ukwenzela ukuba baphinde bamise ubude be-tube ye-160mm. Oku kudla ngokukhokelela ekukhuliseni okwandisiweyo kunye nokunciphisa ukukhanya.
Umenzi wemakroskopu waseJamani uReichert waqala ukulinga infinity elungisa iinkqubo zamehlo kwiminyaka yoo-1930. Nangona kunjalo, inkqubo ye-infinity optical ayizange ibe yindawo eqhelekileyo kude kube ngo-1980.
Iinkqubo ze-infinity optical zivumela ukungeniswa kwezinto ezincedisayo, ezifana ne-different interference difference (DIC) iiprism, i-polarizers, kunye ne-epi-fluorescence illuminators, kwi-parallel optical path phakathi kwenjongo kunye ne-tube lens enempembelelo encinci ekugxininiseni kunye nokulungiswa kokuphazamiseka.
Kwi-conjugate engapheliyo, okanye infinity elungisiweyo, uyilo lwe-optical, ukukhanya okuvela kumthombo obekwe kwi-infinity kugxininiswe phantsi ukuya kwindawo encinci. Kwinjongo, indawo yinto ephantsi kokuhlolwa kunye ne-infinity points ngokubhekiselele kwi-eyepiece, okanye inzwa ukuba usebenzisa ikhamera. Olu hlobo loyilo lwangoku lusebenzisa i-tube lens eyongezelelweyo phakathi kwento kunye ne-eyepiece ukwenzela ukuvelisa umfanekiso. Nangona olu yilo luntsonkothile kakhulu kunomlingani walo onomda we-conjugate, luvumela ukwaziswa kwezinto ezibonakalayo ezifana nezihluzi, i-polarizers, kunye ne-beam splitters kwindlela yokubona. Ngenxa yoko, uhlalutyo olongezelelweyo lomfanekiso kunye ne-extrapolation lunokwenziwa kwiinkqubo ezinzima. Ngokomzekelo, ukongeza isihluzi phakathi kwenjongo kunye ne-tube lens ivumela umntu ukuba abone ubude obuthile bokukhanya okanye ukuvala ubude obungafunekiyo obunokuphazamisa ukuseta. Usetyenziso lwe-Fluorescence microscopy lusebenzisa olu hlobo loyilo. Olunye uncedo lokusebenzisa uyilo olungenasiphelo lwe-conjugate kukukwazi ukuhluka ngokukhulisa ngokweemfuno ezithile zesicelo. Ekubeni ulwandiso lwenjongo ngumlinganiselo we-tube lens ubude bojoliso
(i-fTube Lens) ukuya kubude benjongo ekugxilwe kuyo (iNjongo) (I-Equation 1), ukwandisa okanye ukunciphisa ubude bogxininiso lwe-tube lens lutshintsha ulwandiso lwenjongo. Ngokuqhelekileyo, i-lens yetyhubhu yilensi ye-achromatic enobude obugxininise obuyi-200mm, kodwa obunye ubude obugxininisiweyo bunokutshintshwa ngokunjalo, ngokwenza oko kulungelelwaniso lokwandiswa kwenkqubo yemakroskopu. Ukuba injongo yi-conjugate engapheliyo, kuya kubakho uphawu olungapheliyo olubekwe kumzimba wenjongo.
1 mNjongo=fTube Lens/fObjective
Ixesha lokuposa: Sep-06-2022