I-Sigma 24-105mm f / 4 DG OS HSM Art lens imenyezelwe ngephutha

USigma umemezele ngephutha i-24-105mm f / 4 DG OS HSM Art lens yamakhamera ohlaka oluphelele ngaphambi kosuku lwayo oluhlongozwayo.

Ngasekuqaleni kuka-2013, uSigma umangaze umhlaba ngomxhwele I-18-35mm f / 1.8 lens yamakhamera we-APS-C. I-optic ihlinzeka ngokuvulwa okuphezulu okungapheli kwe-f / 1.8 futhi iletha ikhwalithi yesithombe emangalisayo.

I-Sigma 24-105mm f / 4 iyilensi entsha yamakhamera we-DSLR avela eCanon, Nikon, Pentax, Sony, naseSigma.

I-Sigma 24-105mm f / 4 DG OS HSM Art lens ngokusemthethweni, kepha yamenyezelwa ngephutha

Le nkampani iqhubeka nefa layo ngokwethulwa kwelensi yobuciko ye-Sigma 24-105mm f / 4 DG OS HSM Art.

Lo optic ubekwe buthule kwi iwebhusayithi yenkampani, kukhomba ukuthi empeleni ukwethulwa ngengozi nokuthi umkhiqizo bekufanele wethulwe ngokuhamba kwesikhathi.

Noma ngabe ikuphi, iyeza futhi ihloselwe amakhamera avela kwaSigma, Canon, Nikon, Sony, nePentax.

Imininingwane yokwakhiwa kwamalensi esemthethweni nezilinganiso

I-Sigma 24-105mm f / 4 DG OS HSM Art lens izoncintisana neCanon EF 24-105mm f / 4L IS kanye ne-Nikon 24-120mm f / 4G ED VR AF-S optics.

Imodeli yeCanon yenziwe ngezinto eziyi-18 emaqenjini ayi-13, kanti eyakwaNikon yakhiwa ngezinto eziyi-17 emaqenjini ayi-13. Owokuqala unesisindo esingu-670 amagremu kanti owokugcina u-710 amagremu.

Ngakolunye uhlangothi, iyunithi le-Sigma liqukethe izinto ze-19 ezihlukaniswe ngamaqembu e-14, ama-diaphragm blade ayindilinga ayisishiyagalolunye, kanye nesisindo esiphelele sama-885 gram.

Umkhiqizo ulinganisa u-109.4mm ubude no-88.6mm ububanzi.

Ukuvulwa okuphezulu kungagcinwa kulo lonke ibanga lobude bokugxila

Ilensi entsha ye-Sigma zoom iza nokushintshwa kwe-AF / MF ne-OS ON / OFF, kanye nendandatho yokugxila mathupha.

Usayizi wayo wokuhlunga ungama-82mm kanti ibanga lawo lokugxila ubuncane bangamasentimitha angama-45 ngesilinganiso sokukhulisa esingu-1: 4.6.

Yize imbobo yayo ingagcinwa kumkhawulo we-f / 4 kulo lonke uhla lokusondeza, ukuvula okuncane kungu-f / 22 kungakhathalekile ubude bokugxila.

Idizayinelwe uhlaka oluphelele lwe-DSLRs, izosebenza ngamakhamera we-APS-C nama-SLR amafilimu

I-Sigma idale le lens yezinhlaka ezigcwele ze-DSLRs. Kodwa-ke, izosebenza kahle ngezinzwa ze-APS-C, futhi.

Ukuqokwa kwe- “DG” kusho ukuthi abacibisheli be-APS-C bayasekelwa nokuthi umkhiqizo uzophinde uhambisane nama-SLRs efilimu, uma ngabe usengaba nomunye walabo abalele.

I-Amazon ithengisa i- I-Nikon 24-120mm nge $ 1,296.95 futhi ICanon 24-105mm ngo- $ 1,109.48. Lokhu kusho ukuthi imodeli yeSigma izobiza kancane. Osekusele wukuthi isimemezelo sangempela nesisemthethweni senzeke kungekudala.