Chii chinonzi fomu yakatarwa lens?

Sezvo zita rinoratidza, aYakagadziriswa yekutarisa lensIrwo rudzi rwemifananidzo yemifananidzo ine yakagadziriswa focal urefu, iyo isingagadziriswe uye inoenderana ne zoom lens.

Kutaura pamwe chete, yakatarwa yekutarisa magetsi kazhinji ane yakakura kupatsanurwa uye yepamusoro yepamusoro mhando, kuita kuti vakwanise kutora mifananidzo yakakwirira-mhando.

Musiyano uripo pakati pekugadziriswa kwekutarisa lens uye zoom lenses

Yakagadziriswa yekutarisa lens uye zoom lens itsviri marudzi maviri akajairika emakamera ma lens, uye musiyano wavo mukuru arikuita kuti urefu hwekushamisika. Ivo vane yavo zvakanakira kana ichishandiswa mune akasiyana mashandiro ekushandisa.

Semuenzaniso, iyo yakatarwa lens yakakodzera kushandiswa mumamiriro ezvinhu akakwana mwenje, kutsvaga kwepamusoro mufananidzo wemhando, nepo zoom lens zvakakodzera zviitiko zvinoda kuchinjika, sekutora kwemitambo.

Iyo yakatarwa yekutarisa lens

Kureba kwehurefu

Iyo yakareba yekureba kweiyo yakatarwa yekutarisa lens yakagadziriswa, senge 50mm, 85mm, etc., uye haigone kuchinjwa. Iyo zoom lens inogona kugadzirisa iyo focal urefu nekutenderera kana kudhonza uye kubvumira lens barrel, kubvumira kusarudzwa kwekuchinja pakati pehurefu uye telephoto.

Optical performance

Kazhinji, aYakagadziriswa yekutarisa lensine yakanaka yepamusoro yepamusoro pane zoom lens nekuti dhizaini yayo iri nyore uye haidi kufungidzirwa kuti lens kufamba kana kuomarara zvivakwa. Kutaura chokwadi, kugadziriswa kutarisisa lens kune yakakwira gadziriso (ine diki f-kukosha), iyo inogona kupa zviri nani mufananidzo mhando, iyo yakanyanya kuyamwisa, uye iri nani kumashure kukanganisa.

Asi ikozvino nekuvandudzwa kwehunyanzvi, kumwe kukwirira-kuguma zoom lens kunogona zvakare kusvika padanho reFixturot Loque Fenses maererano nekuita kwechokwadi.

Uremu uye vhoriyamu

Iyo chimiro cheiyo yakatarwa yekutarisa lens iri nyore, kazhinji zvishoma uye yakareruka muhukuru. Chimiro chezororo yeZoom zvakave zvakaoma, zvinosanganisira dzimwe nguva dzakawanda, saka zvinowanzo kurema uye zvakakura, izvo zvinogona kunge zvisiri nyore kwazvo kuti vatyori vemifananidzo vashandise.

Nzira yekupfura

Yakagadziriswa Found LenseS akakodzera kupfura chaiwo zviitiko kana zvidzidzo, sezvo urefu hwemahara hadzigone kugadziriswa, uye zvakakodzera lenss zvinoda kusarudzwa zvichibva kure.

Iyo zoom lens ndeyechinjika uye inogona kugadzirisa iyo focal urefu maererano nekupfura zvinodiwa pasina kuchinja chinzvimbo chekupfura. Izvo zvakakodzera zviitiko izvo zvinoda shanduko dzinochinjika mukupfura kure uye kona.