Zeiss 21mm f/2.8 Distagon T* Manual Focus Lens

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High Speed, Extraordinary Resolving Power
And Next to Zero Distortion

Zeiss 21mm f/2.8 Distagon T* MF Lens The Zeiss 21mm f/2.8 Distagon T* Lens is a super-wide angle lens designed for high-speed performance and full integration with TTL-exposure metering. It has a minimum focusing distance of 8.6" (0.22 m), and thanks to the Carl Zeiss T * anti reflection coating and its outstanding attenuation of stray light, provides brilliant results under all lighting conditions. It lets you shoot demanding architectural interiors, and is perfect for extreme landscapes, inspiring architecture, and demanding interiors.

The "ZF" version is compatible with Nikon's F (AI-S) bayonet mount SLR system.

Offers high speed, extraordinary resolving power and next to zero distortion

Precise mechanism enables exact manual focusing

Carl Zeiss T* lens coating

Zeiss 215mm f/28 Mounts for Canon(ZE), Nikon(ZF), Pentax(ZK), Leica & Zeiss(ZM), and Universal M42 Screw Mount(ZS) (See Links Below) 

Features

Nikon F Mount Manual Focus Lens

Can Only Be Used in Manual Exposure Mode on Digital Nikon SLRS

Can be Used with Aperture Priority or Manual Exposure Mode on Nikon Film SLRS

Lens are AI-S style mount - no electronics

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Specifications
Overview
Lens stylePrime lens
Max Format Size 35mm FF  
Lens focal length21 mm  
Stabilization type No  
Camera mount Canon EF, Pentax KAF, Nikon F (FX)  
Angle of view 90  
Aperture (lens diaphragm)
Largest aperture opening F2.8  
Smallest aperture opening F22.0  
Includes aperture ring Yes  
Aperture annotations 1/2 stop steps. ZE (Canon) version has no aperture ring.  
Optical
Total Elements 16  
Number of Groups 13  
Focusing
Minimum focus distance 0.22 m (8.66")  
Maximum magnification ratio 0.2 x  
Autofocus type No  
Full time manual focus Unknown  
Lens distance scale Yes  
Depth of field scale Yes  
Physical features
Overall weight600 g (1.32 lb)  
Lens diameter 87 mm (3.43")  
Overall length 109 mm (4.29")  
Construction materials metal barrel, metal mount  
Filter thread size 82 mm  
Lens hood included Yes


Lens Includes
Front & Rear Lens Caps

Lens Hood

2-Year Warranty

Accessories

Reviews
Better Photos without Adobe's Help, July 1, 2010

By Russell J. T. Dyer (New Orleans & Milan)

This review is from: Zeiss Ikon Super-Wide Angle 2.8/21mm Distagon T* ZE Series Lens for Canon EOS Digital SLR Cameras (Electronics)

I just bought one of these lenses a couple of weeks ago. I thought it would be a nice lens to add to my small collection of Canon L-series lens. I knew it would be a good lens, but I'm surprised at its high quality. I never imagined a lens could be so clear and produce such good colors. It's the best lens I now own.

When I first bought the Zeiss Distagon 21mm, I took a few shots near my home with my daughter (see the customer images) to try it out. I was impressed. However, a few days later we went on a short trip out-of-town for the day. I took my Canon 5D, II camera and only two lenses with me: the Zeiss 21mm and Canon EOS L 24-105mm f/4. I ended up shooting all of my photos with the Zeiss: I just got closer to my subjects instead of switching to the zoom lens. The pictures were awesome. When I loaded them on my computer and into Adobe Lightroom, they needed almost no adjustments. Mostly, I just added some fill light to some of the images. They were extremely clear and full of color on their own. There was no need for adjusting clarity, saturation, vibrance, or anything. Nothing beats taking great pictures in the camera. I thought my Canon 5D, II was spectacular before. Now, it's even better.

If you decide to buy this lens, and you have a Canon 5D, II camera, you should change your focusing screen to a Canon Eg-S Focusing Precision Screen since it's a manual focus only lens. It may sound complicated or scary to do, but it's easy once you've done it once. Just don't touch the screen. You'll get a finger print on it and never get it clean and only scratch it and ruin it when you try to clean it. Once you change the focusing screen, using the manual focus is much easier and not a problem at all. I was reluctant to buy this lens originally because it didn't have auto-focus. I've found that I don't need it after all.

Images
Zeiss 21mm f/2.8 Distagon T* MF Lens

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