Izinhlobo kweilensi yezimboniukukhweza

Kunezinhlobo ezine eziyinhloko ze-interface, okuyi-F-mount, i-C-mount, i-CS-mount kanye ne-M12 mount. I-F-mount iyi-interface yenhloso ejwayelekile, futhi ngokuvamile ifanelekela amalensi anobude obude obungaphezu kuka-25mm. Uma ubude obuqondile belensi eqondiwe bungaphansi kuka-25mm, ngenxa yobukhulu obuncane belensi eqondiwe, kusetshenziswa i-C-mount noma i-CS-mount, kanti abanye basebenzisa i-interface ye-M12.

Umehluko phakathi kwe-C mount kanye ne-CS mount

Umehluko phakathi kwezixhumi ze-C ne-CS ukuthi ibanga elivela endaweni yokuxhumana yelensi kanye nekhamera liya endaweni eqondile yelensi (indawo lapho kufanele kube khona inzwa ye-CCD photoelectric yekhamera) lihlukile. Ibanga lesixhumi se-C-mount lingu-17.53mm.

Indandatho ye-adaptha engu-5mm C/CS ingafakwa kulensi ye-CS-mount, ukuze isetshenziswe namakhamera ohlobo lwe-C.

Umehluko phakathi kwe-C mount kanye ne-CS mount

Amapharamitha ayisisekelo amalensi ezimboni

Insimu yokubuka (FOV):

I-FOV ibhekisela ebangeni elibonakalayo lento ebonwayo, okungukuthi, ingxenye yento ethathwe yinzwa yekhamera. (Ububanzi bensimu yokubuka yinto okumele iqondwe ekukhetheni)

Insimu yokubuka

Ibanga Lokusebenza (i-WD):

Kubhekisela ebangeni elisuka ngaphambili kwelensi kuya entweni evivinywayo. Okungukuthi, ibanga elingaphezulu ukuze kuthathwe izithombe ezicacile.

Isixazululo:

Usayizi wesici omncane kakhulu obonakala kalula entweni ehloliwe ongalinganiswa ngohlelo lokuthwebula izithombe. Ezimweni eziningi, uma insimu yokubuka incane, kulapho isixazululo siba ngcono khona.

Ukujula kombono (DOF):

Ikhono lelensi lokugcina isinqumo esifiselekayo lapho izinto ziseduze noma zikude kakhulu nokugxila okuhle kakhulu.

Ukujula kombono

Amanye amapharamitha e-amalensi ezimboni

Usayizi we-chip ozwela ukukhanya:

Usayizi wendawo osebenzayo we-chip yesensa yekhamera, ngokuvamile ubhekisela kusayizi ovundlile. Le pharamitha ibaluleke kakhulu ekunqumeni ukukalwa kwelensi okufanele ukuze kutholakale insimu yokubuka oyifunayo. Isilinganiso sokukhuliswa kwelensi okuyinhloko (PMAG) sichazwa yisilinganiso sosayizi we-chip yesensa nensimu yokubuka. Nakuba amapharamitha ayisisekelo afaka usayizi nensimu yokubuka ye-chip esensitive, i-PMAG akuyona ipharamitha eyisisekelo.

Usayizi we-chip ozwela ukukhanya

Ubude be-focal (f):

"Ubude be-focal buyindlela yokulinganisa ukugxilisa noma ukwehluka kokukhanya ohlelweni lwe-optical, okubhekisela ebangeni elivela enkabeni ye-optical yelensi kuya ekugxilweni kokuhlangana kokukhanya. Futhi yibanga elivela enkabeni yelensi kuya endizeni yezithombe njengefilimu noma i-CCD ekhamera. f={ibanga lokusebenza/insimu yokubuka uhlangothi olude (noma uhlangothi olufushane)}Uhlangothi olude lwe-XCCD (noma uhlangothi olufushane)

Ithonya lobude obugxile: uma ubude obugxile buncane, kulapho ukujula kwensimu kukhulu; uma ubude obugxile buncane, kulapho ukuphambuka kukhulu; uma ubude obugxile buncane, kulapho isimo esibucayi sibonakala sibi kakhulu, okunciphisa ukukhanya emaphethelweni okuphambuka.

Isixazululo:

Ibonisa ibanga elincane phakathi kwamaphuzu amabili angabonakala ngesethi yamalensi aqondile

0.61x ubude besikhathi obusetshenzisiwe (λ) / NA = isinqumo (μ)

Indlela yokubala engenhla ingabala ngokwethiyori isixazululo, kodwa ayifaki ukuhlanekezela.

※Ububanzi be-wavelength obusetshenzisiwe buyi-550nm

Incazelo:

Inani lemigqa emnyama nemhlophe lingabonakala phakathi kwe-1mm. Iyunithi (lp)/mm.

Umsebenzi Wokudlulisa Imodi Yokushintshashintsha (MTF)

I-MTF

Ukuhlanekezela:

Esinye sezinkomba zokulinganisa ukusebenza kwelensi ukuphambuka. Kubhekisela emgqeni oqondile ongaphandle kwe-axis eyinhloko endizeni yento esetshenziswayo, eba yijika ngemva kokuthathwa isithombe yisistimu yokukhanya. Iphutha lokuthwebula isithombe salolu hlelo lokukhanya libizwa ngokuthi ukuphambuka. Ukuphambuka kokuhlanekezela kuthinta kuphela i-geometry yesithombe, hhayi ubukhali besithombe.

Imbobo kanye neNombolo F:

Ishidi le-lenticular liyithuluzi elisetshenziselwa ukulawula inani lokukhanya okudlula kulensi, ngokuvamile ngaphakathi kwelensi. Sisebenzisa inani le-F ukuveza usayizi we-aperture, njenge-f1.4, F2.0, F2.8, njll.

Imbobo kanye nenombolo ye-F

Ukukhuliswa kokukhanya:

Ifomula esetshenziswa ukubala isilinganiso esiyinhloko sokukala yilena elandelayo: I-PMAG = usayizi wesenzwa (mm) / insimu yokubuka (mm)

Ukukhuliswa kwesibonisi

Ukukhulisa isibonisi kusetshenziswa kabanzi kuma-microscopy. Ukukhulisa isibonisi sento elinganisiwe kuncike ezintweni ezintathu: ukukhulisa okubonakalayo kwelensi, usayizi we-chip yesensa yekhamera yezimboni (usayizi wendawo eqondiwe), kanye nosayizi wesibonisi.

Ukukhulisa isibonisi = ukukhulisa okubonakalayo kwelensi × usayizi wesibonisi × 25.4 / usayizi ovundlile wereki

Izigaba eziyinhloko zamalensi ezimboni

Ukuhlukaniswa

•Ngobude be-focal: i-prime kanye ne-zoom

•Ngembobo: imbobo engaguquki kanye nembobo eguquguqukayo

•Ngesixhumi esibonakalayo: isixhumi esibonakalayo se-C, isixhumi esibonakalayo se-CS, isixhumi esibonakalayo se-F, njll.

•Ihlukaniswe ngokuphindaphinda: ilensi yokukhulisa engaguquki, ilensi yokusondeza eqhubekayo

•Amalensi abaluleke kakhulu asetshenziswa kakhulu embonini yokubona komshini afaka phakathi amalensi e-FA, amalensi e-telecentric kanye nama-microscope ezimboni, njll.

Amaphuzu ayinhloko okumele acatshangelwe lapho ukhethailensi yokubona komshini:

1. Insimu yokubuka, ukukhuliswa kokukhanya kanye nebanga lokusebenza elifiswayo: Lapho sikhetha ilensi, sizokhetha ilensi enensimu yokubuka enkulu kancane kunento okufanele ilinganiswe, ukuze kube lula ukulawula ukunyakaza.

2. Izidingo zensimu ezijulile: Kumaphrojekthi adinga ukujula kwensimu, sebenzisa imbobo encane ngangokunokwenzeka; uma ukhetha ilensi enokukhulisa, khetha ilensi enokukhulisa okuphansi ngangokunokwenzeka. Uma izidingo zephrojekthi zinzima kakhulu, ngivame ukukhetha ilensi esezingeni eliphezulu enobubanzi obuphezulu bensimu.

3. Usayizi wenzwa kanye ne-interface yekhamera: Isibonelo, ilensi engu-2/3″ isekela indawo enkulu kunazo zonke yerekhi yekhamera yezimboni engu-2/3″, ayikwazi ukusekela amakhamera ezimboni amakhulu kuno-1 intshi.

4. Indawo etholakalayo: Akunangqondo ngamakhasimende ukushintsha usayizi wemishini uma uhlelo lungokuzithandela.