Om System M.Zuiko Digital ED 20mm f1.4 Pro: A Comprehensive Overview
The Om System M.Zuiko Digital ED 20mm f1.4 Pro is a prime lens designed for Micro Four Thirds cameras, offering exceptional performance and build quality. In this article, we will delve into the various aspects of this lens, including its design, optical performance, autofocus, build quality, and compatibility with different cameras.
Design and Build Quality
The Om System M.Zuiko Digital ED 20mm f1.4 Pro boasts a sleek and modern design, with a focus on durability and functionality. The lens features a metal barrel and a weather-sealed construction, making it a reliable companion for outdoor photography. The lens measures approximately 2.6 inches in diameter and 2.6 inches in length, weighing around 10.6 ounces, which is relatively lightweight for a prime lens of this focal length.
The lens cap and lens hood are also made of metal, providing additional protection and ensuring a premium feel. The lens features a focus ring that is smooth and well-damped, allowing for precise manual focusing. The lens also includes a distance scale and depth-of-field scale, which are useful for creative control and composition.
Optical Performance
The Om System M.Zuiko Digital ED 20mm f1.4 Pro is renowned for its exceptional optical performance. The lens features a 12-element, 9-group optical design, including two aspherical elements and one super ED (Extra-low Dispersion) element, which helps to minimize chromatic aberrations and distortion. The lens also features a minimum focusing distance of 7.9 inches, which is suitable for close-up photography.
Table 1: Key Optical Specifications
| Specification | Value |
|---|---|
| Focal Length | 20mm |
| Maximum Aperture | f1.4 |
| Minimum Aperture | f22 |
| Aperture Blades | 7 |
| Minimum Focusing Distance | 7.9 inches |
| Maximum Magnification | 0.25x |
| Filter Size | 67mm |
| Dimensions (Diameter x Length) | 2.6 inches x 2.6 inches |
| Weight | 10.6 ounces |
The lens delivers sharp and detailed images, even at its widest aperture of f1.4. The lens also exhibits excellent color rendition and contrast, making it a great choice for landscape, portrait, and street photography.
Autofocus Performance
The Om System M.Zuiko Digital ED 20mm f1.4 Pro features a fast and quiet autofocus system, thanks to its MSC (Mechanical Supersonic Wave Motor) technology. The lens achieves focus in approximately 0.6 seconds, which is impressive for a lens of this focal length. The autofocus system is also accurate and reliable, making it suitable for both still photography and video recording.
Build Quality and Handling
The lens is well-balanced and comfortable to hold, with a good grip and a weight distribution that makes it easy to control. The lens features a focus ring that is smooth and well-damped, allowing for precise manual focusing. The lens also includes a focus limiter switch, which can be set to limit the focusing range to either 0.7 meters to infinity or 0.7 meters to 3 meters, which can be useful for certain shooting scenarios.
Compatibility and Mounting Options
The Om System M.Zuiko Digital ED 20mm f1.4 Pro is compatible with all Micro Four Thirds cameras, including the latest models from Olympus and Panasonic. The lens can also be used with third-party adapters for other camera systems, although some limitations may apply.
In conclusion, the Om System M.Zu