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The Sigma 30mm F1.4 DC DN Contemporary is a fast prime for Sony E-mount APS-C mirrorless cameras. Its F1.4 aperture gathers plenty of light for indoor and evening shooting and gives shallow depth of field for portraits and detail shots. A stepping motor drives quick, quiet autofocus that works well for video, and the lens is compact enough to leave on the camera all day. Against the Sony E 35mm F1.8 OSS it trades optical stabilization for a wider aperture; against the Sigma 16mm and 56mm F1.4 siblings it sits in the middle as the general-purpose walkaround choice. Owners praise the sharpness and light gathering for the money, while some note softness wide open and focus breathing in video.
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Reviewers and owners rate the lens highly as a fast, affordable normal prime with reliable autofocus and good sharpness. Common complaints are softness wide open, vignetting and the lack of stabilization.
The Sigma 30mm F1.4 DC DN Contemporary is a prime lens for APS-C Sony E-mount mirrorless cameras. It has a large F1.4 aperture, which suits low-light shooting and creating depth of field. The lens is compact and portable, and it is the first F1.4 lens for the Micro Four Thirds and Sony E systems.
A stepping ring motor drives the autofocus, which is fast and accurate and useful for video work. The lens has nine rounded aperture blades. It is hand crafted in Aizu, Japan, and individually inspected before shipping. It works with the Sigma USB Dock to update firmware and calibrate focus.
