The Zeiss 21mm f/4.5 C Biogon T* ZM Manual Focus Lens is a super wide angle lens designed for full integration with TTL-exposure metering. It has a minimum focusing distance of 1.8' (0.5 m), and offers ultra-sharp resolving power and next to zero distortion. Like its classic predecessor from 1952, the optical performance is stellar and destined to make the same history. Remarkably compact and lightweight, it is the ideal super wide angle lens for travel and outdoor photography.
The Carl Zeiss range of T* ZM-mount lenses offers high standards in terms of performance, reliability and, of course, image quality. You can count on highly advanced flare control for crisp and brilliant images. And virtually zero geometric distortion, ensuring precise accuracy when reproducing shapes, especially useful when photographing products and architecture.
This lens is NOT recommended for use with Leica M9 rangefinder digital cameras. The angles of this lens are too steep for the sensor design and it results in a red color shift at the edge of the frame.
| Filter Size | 46mm |
| f/Stop Range | 4.5-22 |
| Minimum Focus Distance | 1.8' (0.5 m) |
| Magnification | 1:20 |
| Angle of View | 90° |
| Groups/Elements | 6/8 |
| Length | 1.2" (31mm) |
| Maximum Diameter | 2.1" (53mm) |
| Weight | 6.7 oz (190 g) |
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Comments about Zeiss Super Wide Angle 21mm f/4.5 C Biogon T* ZM Manual Focus Lens - Silver:
This is a very high quality, sharp lens that shows almost no distortion and is sharp out to the corners. It is great for street use and is quick on the draw at smaller apertures in that use because of the amazing depth of field at this focal length.
It is relatively slow, but that is part of the trade off for a somewhat lower price than its f2.8 cousin. I also bought the slower lens because I've been delighted by another f4.5 Biogon lens that I use in 6x6 format.
Pros
Cons
Best Uses
Comments about Zeiss Super Wide Angle 21mm f/4.5 C Biogon T* ZM Manual Focus Lens - Silver:
I have had the chrome version of this lens for a month now and used it on a Leica M in the UK and Germany together with a Voigtlander 21mm Finder. It quickly became one of my favorite M-mount lenses. Great for interiors, dynamic group shots and vistas (with interesting foregrounds). Compact rendering sharp and brilliant images.
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