Voigtlander 21mm F1.8 Ultron Leica M-Mount

Review
The Voigtlander 21mm F1.8 Ultron is a prime lens that has garnered attention from photographers who appreciate wide-angle shooting, particularly in the realm of Leica M mount systems. Known for its compact design and exceptional optical performance, this lens is a wonderful tool for landscape, street, and architectural photography.
Design and Build Quality
The build quality of the Voigtlander 21mm F1.8 Ultron is commendable. It boasts a metal construction that not only enhances durability but also provides a tactile feeling while adjusting focus and aperture settings. The compact design is a significant advantage for photographers who prefer a lightweight setup without sacrificing image quality. Weighing in at just 300 grams, this lens is easy to carry around and doesn’t add bulk to your camera kit.
Optical Performance
Optically, the Ultron delivers impressive results. With an aperture of F1.8, it offers a good balance between low-light capability and depth of field control, allowing for clear images in various lighting conditions. The lens features a well-corrected optical formula that minimizes chromatic aberration and distortion—issues often encountered in wide-angle lenses. The center sharpness is exceptional, and while corner sharpness does drop off slightly, it significantly improves when stopped down.
Bokeh and Color Rendition
One of the highlights of the Voigtlander 21mm F1.8 Ultron is its ability to produce pleasing bokeh, especially when using the lens for close-up photography. The circular aperture blades contribute to a smooth rendition of out-of-focus areas, although it is worth noting that being a wide-angle lens, it is not primarily designed for portrait or macro photography. The color rendition is also remarkable, with vibrant and true-to-life hues that will delight photographers looking to enhance their images with rich colors.
Usability
The lens features a manual focus ring, which may not appeal to all users, especially those who prefer autofocus. However, many Leica enthusiasts will appreciate the tactile engagement that comes with manual focusing. The focus throw is smooth and allows for precise adjustments, making it ideal for careful composition. The minimum focusing distance is 0.5 meters, providing versatility for a range of shooting scenarios.
Pros and Cons
Pros
- Exceptional build quality with a metal construction.
- Compact and lightweight design.
- Excellent optical performance with impressive sharpness and color rendition.
- Smooth bokeh and a pleasing out-of-focus quality.
- Manual focus allows for precise shooting.
Cons
- No autofocus, which may deter some users.
- Slight drop in corner sharpness when wide open.
- Limited compatibility primarily for Leica M mount.
Verdict
In conclusion, the Voigtlander 21mm F1.8 Ultron is a fantastic choice for photographers who value build quality, optical performance, and a compact form factor. Its strengths lie in its sharpness, color rendition, and effective bokeh, making it suitable for a wide range of photography styles—particularly landscape and street photography. While the lack of autofocus may not suit everyone, those who appreciate the hands-on approach of manual focusing will find this lens a delightful addition to their photography toolkit. Overall, it's a lens worth considering for any Leica M user looking to expand their wide-angle options.