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Lifensetere tse sireletsang ke li-optics tsa ho qetela tse lokelang ho sebelisoa pele ho sebaka sa ho sebetsa;li sireletsa li-optics tsa boleng bo holimo, k'hamera, li-sensor, joalo-joalo ho tsoa ho splatter ea thepa.Maemong a mangata, lifensetere tse sireletsang li fumaneha ka theko e tlaase ka litlhoko tse fokolang mabapi le sebopeho sa bokaholimo le boleng ba bokaholimo.
Lisebelisoa tse tloaelehileng tsa lifensetere tse kang BK7, quartz, joalo-joalo, li ka finyella litlhoko tse ngata tsa lifensetere, empa maemong a mang a khethehileng a mosebetsi le lihlahisoa, fensetere e sireletsang e hlokeha ho ba le khanyetso ea ho roala, ho hanyetsa kutu le ts'ebetso e phahameng ea ho feta, Ho na le lisebelisoa tse fokolang tsa lifensetere. e ka finyella litlhoko tsena, haholo-holo ho hanyetsa ho apara.Lifensetere tsa safireli phethahetse bakeng sa litlhoko tsena.Fesetere ea safire ha e na phetiso e ntle feela ho li-ultraviolet, lihlopha tse bonahalang le tse infrared, empa hape le tlas'a maemo a ho fihlela litlhoko tse tšoanang tsa matla,safiree ka fokotsa haholo botenya ba fensetere 'me ea kopana le litlhoko tsa ho apara ho hanyetsa, e sa khethoang feela ke thepa ea eona e ntle ea Mechini e itšetlehileng ka ho thatafala ha eona holim'a metsi, ea bobeli ho ea ho daemane.
Re feme e ikhethang ka ho etsalikarolo tsa safire, 'me lihlahisoa tse ka sehloohong li kenyelletsa boholo ba lihlahisoa tse tloaelehileng tsa safire.E le setsebiChina safire fenseteres fektheri, re ipabola ka tlhahiso ea lifensetere tsa safire le lihlahisoa tse ling, re ka fana ka boholo ba sehlahisoa le libopeho tse ngata.U hloka feela ho tsebisa basebeletsi ba rona ba thekiso ka litlhoko tsa hau tse ikhethileng ka DWG.kapa ditlhaloso tsa mongolo ho fumana qotso ka nako e kgutshwane haholo.
Ho phaella moo, re boetse re fana kaliprism tsa safire, melamu ea safirelelihlahisoa tse ling, o ka sheba liphatlalatso tse ling tsa sehlahisoa sebakeng sa marang-rang, hape u ka ikopanya ka kotloloho le basebetsi ba rona ba thekiso ho fumana tlhaiso-leseling eo u e batlang.