ZEISS Biogon T* 2.8/28 ZM

Take the road less travelled.

ZM Lenses

2.8/15

2.8/21

2.8/25

2.8/28

1.4/35

2/35

2.8/35

1.5/50

2/50

2.8/15

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2.8/15

2.8/21

2.8/25

2.8/28

1.4/35

2/35

2.8/35

1.5/50

2/50

This classic, wide-angle focal length with a moderate perspective complements the standard 50 mm focal length and is an ideal tool for documenting your travels.

The ZEISS Biogon T* 2,8/28 ZM exhibits crisp detail without distortion at full apertures, even at the close-focus range. The optical construction minimizes flare, enabling photography against a strong backlight without compromising image quality. This lens has the widest angle of view that can be used with the integrated viewfinder on the Zeiss Ikon rangefinder camera, an additional 25/28 mm viewfinder is available. The Biogon T* 2,8/28 ZM is ideal for travel photography and is also well-suited for group and interior photographs when space is at a premium and wide-angle distortion needs to be minimized.

Excellent image quality

The range of ZEISS T*® lenses offers the highest possible standards in terms of performance, reliability and, of course, image quality. Quite simply, they are superior in every way. You can count on highly advanced flare control for crisp and brilliant images, for example. And virtually zero geometric distortion, ensuring precise accuracy when reproducing shapes – especially useful when photographing products and architecture.

Smooth, precise focusing

Manually focusing a lens means controlling the image result from your fingertips. A good ergonomic design makes all the difference. The user-friendly focusing ring on ZEISS lenses with an ergonomic finger rest is perfect for fast, precise focusing. Changes are immediately visible in the viewfinder. The high-quality focusing mechanism moves smoothly without play, thus also supporting the intuitive interaction with the focal plane.

Ideal aperture properties

Photographers want to guide the observer through the image. Minimal depth of focus is often used as a design element. This keeps the background intentionally blurred to keep the attention of the observer on the main subject. The ZM lenses feature ten aperture blades. The almost circular aperture helps to create a particularly harmonious effect in the out-of-focus areas of the picture (bokeh).

ZEISS T* anti-reflective coating

The optical elements of ZEISS lenses feature T*® anti-reflective coating on all surfaces and an optical design that guarantees images of superior brilliance at all times, even in unfavourable lighting conditions. We apply the anti-reflective coating to the lens surfaces by the vapour deposition of extremely thin, transparent layers on the glass. In this process, special substances are vaporized with extremely high energy in a high-vacuum environment and are subsequently deposited on the glass surfaces, one after another, as layers with precisely controlled thicknesses to achieve the desired reduction of reflective properties. The first coating techniques were employed by ZEISS as long ago as in the 1930s.

Robust design

The mount and control elements of all ZM lenses are made of metal and are designed for decades of intensive use. The high-quality craftsmanship of the all-metal mounts, the easy-to-grip metal focus and aperture ring and the robust front bayonet and filter threads ensure an amazing photographic experience.

Performance

Focal length	28 mm
Aperture range	f/2.8 – f/22
Camera mount	Leica M-Mount* (ZM)
Format compatibility	Full Frame
Focusing range	0,50 m (19.69") – ∞
Angular field** (diag. \| horiz. \| vert.)	75° \| 65° \| 46°
Coverage at close range (MOD)**	370 x 550 mm (14.57 x 21.65")
Image ratio at minimum object distance	1 : 16
Lens elements \| groups	8 \| 6

Features

Autofocus	–
Image Stabilization	–

Physical

Filter thread	M46 x 0.75
Length (without lens caps)	51 mm (2.00")
Weight	230 g (9.87 oz)

A lens with such a large field angle that it can capture as much of the photographer's surroundings as possible in a single shot – this is the origin of the name Biogon®. The largely symmetrical Biogon optical design enables the use of very compact, moderate to extremely wide-angle lenses, including with rangefinder and mirrorless system cameras. The lenses feature exceptionally good distortion correction, chromatic properties and image field flattening.

Biogon Design

Lens made of special glass with anomalous partial dispersion

ZEISS ZM Lenses

Brochure

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ZEISS Camera Lenses Product Overview

Brochure

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ZEISS Accessories for Rangefinder Cameras

Brochure

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ZEISS Biogon T* 2.8/28 ZM

Datasheet

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Reviews

diglloyd.com
"The Zeiss ZM 28mm f/2.8 C-Biogon s a relatively inexpensive 28mm lens of very compact dimensions and light weight...."
diglloyd.com

Lens Accessories

Round off the fully unique product experience.

When taking pictures, an optimal image is not the only consideration. Capturing that special experience also plays a key role. With their reliable functions, camera lenses from ZEISS ensure that photographers can fully concentrate on the image and composition, and bring their creativity to life. In order to perfect this experience, ZEISS now offers accessories tailored to the requirements of demanding photographers.

Cleaning Products

Optimal care for optical surfaces.

Cleaning Products

T* UV and POL Filters from ZEISS

Quality down to the last detail.

T* UV and POL Filters

Comfort Camera Strap

Ensure comfortable carrying or your equipment.

Comfort Camera Strap

Lens Gear

Attached in a flash.

Lens Gear

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Obtain the extended warranty

Product Registration

ZEISS grants a warranty period of two years from the date of purchase for all its photographic lenses. This may be extended to three years after registering with ZEISS Online Registration. Although the ZEISS extended warranty is already available in numerous countries, claims under warranty may only be made in the country in which the product was purchased.

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