The Sigma 30mm f/1.4 DC DN Contemporary lens is a popular and versatile prime lens designed for APS-C format mirrorless cameras. Here's a summary of its key features:
Designed for APS-C:
This lens is specifically optimized for APS-C sensor mirrorless cameras, offering a "normal" focal length that's close to a 45mm equivalent on many systems.
Fast f/1.4 Aperture:
The bright f/1.4 maximum aperture is a significant advantage, allowing for excellent low-light performance and beautiful shallow depth of field (bokeh).
Optical Quality:
Sigma's optical design includes aspherical elements and a high-refractive index element to minimize aberrations and distortions, resulting in sharp and clear images.
A Super Multi-Layer Coating helps to reduce flare and ghosting, improving contrast and color accuracy.
Autofocus:
It utilizes a stepping motor for smooth, quiet, and fast autofocus, which is beneficial for both stills and video recording.
Compact and Lightweight:
As part of Sigma's Contemporary line, this lens is designed to balance optical performance with portability.
Key Features:
Bright f/1.4 maximum aperture for low-light shooting and shallow depth of field.
Optical design that minimizes aberrations and distortions.
Smooth and quiet stepping motor autofocus.
Compact and lightweight design.
Rounded 9 bladed diaphragm, for good bokeh.
In essence, the Sigma 30mm f/1.4 DC DN Contemporary is a well-regarded lens that offers a great combination of image quality, speed, and portability for APS-C mirrorless shooters.