Sigma 30mm f/1.4 EX DC HSM lens
The Sigma 30mm f/1.4 EX DC HSM is a wide-aperture photographic lens made by the Sigma Corporation, equipped with Hyper Sonic Motor (abbreviated HSM, Sigma's trade name for photo lens focusing technology using ultrasonic motor). The lens was produced in Canon EF mount, Four Thirds System, Nikon F-mount, Pentax K mount, the SA mount, and the Sony/Minolta AF Mount varieties, all of the same optical formula. It shipped with a removable petal-type lens hood (62mm diameter). The lens assumes a crop factor of roughly 1.5, and therefore is not usable with on full-frame or 135 film cameras.
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Sigma 30mm f/1.4 EX DC HSM lens
The Sigma 30mm f/1.4 EX DC HSM is a wide-aperture photographic lens made by the Sigma Corporation, equipped with Hyper Sonic Motor (abbreviated HSM, Sigma's trade name for photo lens focusing technology using ultrasonic motor). The lens was produced in Canon EF mount, Four Thirds System, Nikon F-mount, Pentax K mount, the SA mount, and the Sony/Minolta AF Mount varieties, all of the same optical formula. It shipped with a removable petal-type lens hood (62mm diameter). The lens assumes a crop factor of roughly 1.5, and therefore is not usable with on full-frame or 135 film cameras.
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The Sigma 30mm f/1.4 EX DC HSM ...... s popular lens on that format.
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適馬 30mm 鏡頭是由適馬生產的定焦鏡頭，为标有“HSM” ...... 面機身時，其等效於全幅機身的39mm視角（乘以系數1.3）。
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Sigma 30mm 1.4 EX DC HSM
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The Sigma 30mm f/1.4 EX DC HSM ...... ull-frame or 135 film cameras.
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適馬 30mm 鏡頭是由適馬生產的定焦鏡頭，为标有“HSM” ...... 面機身時，其等效於全幅機身的39mm視角（乘以系數1.3）。
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Sigma 30mm f/1.4 EX DC HSM lens
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適馬 30mm 鏡頭
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