Zeiss Loxia 2.8/21 review: Compact, yet outstanding optical performance
Introduction Supplementing the existing 35mm and 50mm f2 models, the new 21mm f2.8 features a similar external design, with an all-metal build, smooth focus and aperture rings, and yet it has modern features associated with digital bodies —focus by wire, a user-enabled de-clicking option for the aperture collar (using a supplied tool) during video capture, transmission of EXIF data, and compatibility with the camera’s auto live view magnification function to assist with focusing. Internally, the lens features a new optical design comprising 11 elements in 9 groups using an assortment of anomalous partial-dispersion glass and a
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