Zeiss Biogon 25mm f/2.8 ZM Lens

Zeiss Biogon 25mm f/2.8 ZM Lens

Code: 00ZEISBGN25M2.8Z    Brand: Zeiss   
  • Leica M-Mount Lens
  • Aperture Range: f/2.8 to f/22
  • ZEISS T* Anti-Reflective Coating
  • Manual Focus Design
  • Minimum Focus Distance: 1.6'
  • Filter Thread: 46mm
  • 10-Blade Diaphragm
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Virtually distortion-free optics

details

Dramatic perspectives and a view from extraordinary image angles – ZEISS lenses open up new composition possibilities. Distortion would disrupt the composition because straight lines, whose image does not go through the image center, would be reproduced with a curved shape. This annoying effect is accordingly and largely compensated through elaborate optical designs at all focal lengths.

 Zeiss Biogon 25mm f/2.8 ZM Lens
 Zeiss Biogon 25mm f/2.8 ZM Lens

Minimized Focus Shift

details

ZEISS T*® ZM-mount lenses are specifically designed to minimize focus shift with aperture changes – an important innovation with big benefits for rangefinder photography. As a result, you can expect improved accuracy of the rangefinder-defined focus. While the precise 10-blade aperture with 1/3 stop interval click stops ensures exact exposure.

Smooth, precise focusing

details

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.

 Zeiss Biogon 25mm f/2.8 ZM Lens
 Zeiss Biogon 25mm f/2.8 ZM Lens

ZEISS T* anti-reflective coating

details

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

details

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.

Zeiss Biogon 25mm f/2.8 ZM Lens

This moderate wide-angle lens offers exciting, creative visual perspectives, but is also one of the easiest to control.

The ZEISS Biogon T* 2,8/25 ZM delivers high contrast across the entire image field and is virtually free of distortion at full apertures. With the aperture stopped down, detail is finely rendered with a pleasing three-dimensional quality. The lens is rangefinder-coupled for easy focusing and the optional 25/28 mm viewfinder is available for accurate image composition. The Biogon T* 2,8/25 ZM is a creative tool for scenic portraits, inspiring landscapes and expansive architectural photography.

Sample Photos

Focal Length 25mm
Maximum Aperture f/22
Minimum Aperture f/2.8
Camera Mount Type Leica M
Angle of View 82°
Minimum Focus Distance 1.6' / 50 cm
Maximum Reproduction Ratio 1:18
Optical Design 9 Elements in 7 Groups
Diaphragm Blades 10
Filter Thread 46mm
Dimensions L: 2.4" / L: 60.0 mm
Weight 9.2 oz / 260 g
  • ZEISS Biogon T* 25mm f/2.8 ZM Lens (Silver)
  • 46mm Front Lens Cap for ZM Lenses
  • Rear Lens Cap for ZM-Mount Lenses
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OVERVIEW

This moderate wide-angle lens offers exciting, creative visual perspectives, but is also one of the easiest to control.

The ZEISS Biogon T* 2,8/25 ZM delivers high contrast across the entire image field and is virtually free of distortion at full apertures. With the aperture stopped down, detail is finely rendered with a pleasing three-dimensional quality. The lens is rangefinder-coupled for easy focusing and the optional 25/28 mm viewfinder is available for accurate image composition. The Biogon T* 2,8/25 ZM is a creative tool for scenic portraits, inspiring landscapes and expansive architectural photography.

Sample Photos

FEATURES

Virtually distortion-free optics

details

Dramatic perspectives and a view from extraordinary image angles – ZEISS lenses open up new composition possibilities. Distortion would disrupt the composition because straight lines, whose image does not go through the image center, would be reproduced with a curved shape. This annoying effect is accordingly and largely compensated through elaborate optical designs at all focal lengths.

 Zeiss Biogon 25mm f/2.8 ZM Lens
 Zeiss Biogon 25mm f/2.8 ZM Lens

Minimized Focus Shift

details

ZEISS T*® ZM-mount lenses are specifically designed to minimize focus shift with aperture changes – an important innovation with big benefits for rangefinder photography. As a result, you can expect improved accuracy of the rangefinder-defined focus. While the precise 10-blade aperture with 1/3 stop interval click stops ensures exact exposure.

Smooth, precise focusing

details

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.

 Zeiss Biogon 25mm f/2.8 ZM Lens
 Zeiss Biogon 25mm f/2.8 ZM Lens

ZEISS T* anti-reflective coating

details

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

details

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.

Zeiss Biogon 25mm f/2.8 ZM Lens

SPECIFICATIONS

Focal Length 25mm
Maximum Aperture f/22
Minimum Aperture f/2.8
Camera Mount Type Leica M
Angle of View 82°
Minimum Focus Distance 1.6' / 50 cm
Maximum Reproduction Ratio 1:18
Optical Design 9 Elements in 7 Groups
Diaphragm Blades 10
Filter Thread 46mm
Dimensions L: 2.4" / L: 60.0 mm
Weight 9.2 oz / 260 g

IN THE BOX

  • ZEISS Biogon T* 25mm f/2.8 ZM Lens (Silver)
  • 46mm Front Lens Cap for ZM Lenses
  • Rear Lens Cap for ZM-Mount Lenses