Aspherical lenses

Points sameeyay horumar iyo isbedel sannado badan, caawiyo si ay u xaliyaan dhibaatooyinka aragga. Maanta waxaa jira noocyo fara badan oo doorashooyin ka mid ah dhibcood la lenses kala duwan. The ugu caansan - lenses aspherical.

Early isku dayaysa in ay abuuraan gelis noocan ah ayaa la sameeyey by René Descartes ee 1620s iyo Constantine Huygens ee 1630. qaabka qaybaha, Descartes horumariyo ujeedadaas loo yaqaan qaybta Cartesian.

Smethwick Francis abuuray oo tayo sare leh waxyaalaha la gashto aspherical ugu horeysay, oo wuxuu hor taagay Society Royal ah February 27, 1667. Waxay ahayd xoqad ah, oo ay ku jiraan saddex lenses aspherical.

Horumarinta gashto ugu horeysay aspherical for koob oo waxaa lagu tiriyaa la Moritz von Roru. wax soo saarka Mass iyo isticmaalka lenses sida bilaabay in 50s ka mid ah in la sii daayo kaamirooyinka video mahad qarnigii la soo dhaafay la lenses aspheric aad caan u noqday sabab u ah tayada fiican ee wax lagu qoro.

lenses caadiga ah waxay leeyihiin dusha a galaas qalooca. lenses Aspherical, dhanka kale, waxaa la sameeyey koob kabka gaar ah, inkastoo ay weli dusha a qalooca, ma aha oo gebi ahaanba spherical.

Tani waxay ku kala duwan yihiin qaab iyaga ka dhigaa badan oo sax ah ka yar aberrations muuqaal ka badan lenses spherical. Aspherical lenses, inta badan loo isticmaalaa muraayadaha, laakiin waxa ay u horumarsan ee 30 sano ee la soo dhaafay in ay soo saaraan photos oo tayo sare leh oo sida caadiga ah ee kaamirooyinka yar yar iyo kaamirada.

Sababo la size yar oo ah soo saarayaasha dhexe u khafiif ah waa fududdahay si ay ula qabsadaan qaab reer gashto in la abuuro, taas oo ka dhigaysa waxaa suurto gal ah si ay ula qabsadaan awoodda indhaha of gashto kasta oo ay la caddeeyo.

lenses Aspheric waa qaali ka yar iyo ka yar lenses caadiga ah, oo tayo leh inta badan ka sareeya kuwa la sameeyey in qaab goobaabin.

Waxaa ka mid noocan ah gashto la gashto ah aspherical qarsan dusha hore ama dib (dusha labaad waa spherical), iyo aspheres double marka "guri", oo waa dibadda iyo dusha sare ee gudaha.

lenses Aspherical for koob oo sida la spherical marka la barbar dhigo hantidaan tiro ka mid ah faa'iidooyinka:

- cad oo ballaaran field of view mahad qalooca khafiif ah gashto in saamaxaysa milkiilayaasha in ay si cad oo bayaan ah arkaan, ka qayb ka mid ah siku raadinaya.

- dhalanrog yar weheliyaan ubucda (Jecaylkaas);

- aragti dheeraad ah oo dabiici ah oo alaab ah oo size ee bannaan ee (gashto "keydsho" ma yareeyo, "daray" ma kordhin);

- hoos miisaanka by yaraynta dhumucda, kaas oo bixiya saxo aragti aan lenses spherical aad u qaro weyn eheeyn;

- hoos dhumucdiisuna: xarunta siku wanaagsan khafiif ah oo khafiif ah ee cidhifka sub-eber ah,

- ma size isha dhalanrog (caadi ahaan waxay dhacdaa marka eegaya qofka ka galaas).

Iyadoo horumarinta deg deg ah ee technology, contact lenses aspheric noqday baahsan ka badan dhowrkii sano ee la soo dhaafay. Waxay waxaa la samayn karaa ee wax adag ama dabacsan, beddeli kartaa midabka iyo muuqaalka isha aadanaha in la saxo noocyo kala duwan oo ah cudurada la tusay. Mid ka mid ah cudurada sida waa astigmatism, oo inta badan saxo adigoo isticmaalaya lenses aspherical.

Waxay ka yar oo khafiif badan lenses joogtada ah, iyo this qayb sharaxayaa sababta ay u loo yaqaan "premium" iyo sababta ay u leeyihiin qiimo sare.

lenses Aspheric waa u khafiif ah, iyo taas macnaheedu waa in ay si fiican ku habboon aqonsado ee isha kasta milkiilaha ee xariiqa qallooca iyo faragelin doonto yar la Ilbidhiqsi.

The darrada noocan ah lenses waa qiimaha sare ee la xidhiidha habka wax soo saarka dheeraad ah oo adag ka. Intaa waxaa dheer, oo dhumucdiisuna waxay a yar oo lenses aspherical ka dhigan tahay in ay ku yaalaan u dhaw in ay wajiga, taas oo mararka qaarkood sababa reflectance a arki karo labada dhinac, taas oo kaliya la suulin karin by codsanaya daahan anti-muraayad.