The Sigma 30mm F2.8 EX DN is a popular choice among Micro Four Thirds photographers looking for a compact, high-quality standard prime lens. Offering a fast f/2.8 aperture, this lens strikes a balance between being lightweight and versatile, making it ideal for street photography, portraits, and everyday shooting.
The lens features a sleek and compact design, characterized by its sturdy metal housing which gives it a premium feel. At just 265 grams, it's light enough for extended shooting sessions without adding significant weight to your camera kit. The dimensions are reassuringly portable, making this a great everyday lens for travel or casual photography. However, while the construction feels solid, the focus and aperture rings can feel somewhat stiff, which may take some adjusting to, especially for those used to more fluid lens controls.
Optically, the Sigma 30mm F2.8 EX DN delivers impressive sharpness, especially in the center of the frame. Images are crisp with good detail even when shooting wide open. The lens also provides a decent level of contrast, which is beneficial for capturing vibrant colors. However, edge distortion can be noticeable at wider apertures, and while not overwhelming, you may find it necessary to apply correction in post-processing to maintain uniform sharpness across the frame.
The autofocus performance is reliable and relatively quick, thanks to the stepping motor technology employed in the lens. It's well-suited for both still photography and video applications, as it operates quietly and smoothly during focus adjustments. However, in low-light conditions, there may be some hesitation in focusing, which could be a limitation for those who frequently shoot in challenging lighting environments.
With its 30mm focal length, equivalent to 60mm in full-frame terms, this lens provides a natural perspective that is versatile for a variety of applications. Whether you're capturing portraits, landscapes, or street scenes, the Sigma 30mm F2.8 EX DN performs admirably. Its fast f/2.8 aperture, while not the widest available, allows for reasonable depth-of-field control, lending itself well to subject isolation.
Overall, the Sigma 30mm F2.8 EX DN is an excellent choice for Micro Four Thirds users seeking a reliable, compact prime lens that offers good image quality and versatility. While it may have a few quirks, the positives far outweigh the negatives for many photographers. Whether you're capturing stunning portraits, beautiful landscapes, or everyday moments, this lens is a worthy addition to your camera bag.