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Zeiss Biogon T* 21mm F2.8 ZM Lens Silver (New)

$1,850.00 $1,590.00
(You save $260.00)

Zeiss Biogon T* 21mm F2.8 ZM Lens Silver (New)

$1,850.00 $1,590.00
(You save $260.00)
SKU:
1365650
Availability:
Limited Stock
Quantity:
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Product Description

The Super Crisp, Super Wide-angle

This fast, super wide-angle lens allows photographers to experiment with different angles and perspectives. The Biogon T* 2,8/21 ZM offers outstanding performance and xtreme resolving power even when shot wide open, with virtually no distortion, excellent control of flare and ghosting and superb contrast rendition across the entire frame. The slim lens design is easy to grip and focus, and uses a standard 46 mm filter diameter similar to many of the other ZM lenses and allows filters to be interchanged between the lenses. The lens is rangefinder coupled for easy focusing and the optional 21 mm viewfinder is available for accurate image composition. Combined with a digital rangefinder camera with a 1.3 crop factor, the lens has an effective focal length of 27 mm. The Biogon T* 2,8/21 ZM is suitable for many different wideangle applications including reportage work, landscape and architectural photos.

Features:

  • Virtually distortion-free optics. Dramatic perspectives and a view from extraordinary image angles – SLR lenses from Carl Zeiss 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.
  • Elaborate stray light reduction. Rich, vibrant colors are vital to creating a lasting impression. Stray light in the lens, however, would lead to a brightening of the image, which is particularly visible in shadow areas. Image contrast is lowered; the image appears dull and bleached. We combine various, elaborate techniques to reduce unwanted stray light. For example, all lens elements are coated with the famous Carl Zeiss T* anti-reflective coating. Additionally, a jet black special paint is applied by hand to all lens element edges to ensure that reflections are prevented from the start.
  • Floating element design. State-of-the-art camera techniques and high-resolution digital image sensors increasingly demand more from the lenses. The modern floating element design compensates aberrations of the Carl Zeiss SLR lenses at different distance settings. This is accomplished by changing the axial distance of single lens elements or element groups to each other. The adjustment of the element distance is coupled to the distance setting so that it always results in the right correction. The mechanical design of these lens elements is very complex and the workmanship must be particularly exact – both specialties of Carl Zeiss.
  • Excellent image quality. The Carl Zeiss range of T* ZM-mount 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.
  • Precise manual focus. Manually focusing a  lens means controlling the image result from your fingertips. A good ergonomic design makes all the difference. Carl Zeiss SLR lenses stand out with their large rotation angle which enables 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. The precise engraving in meter and feet, and the depth of focus scale provide additional support for manually focusing.

Technical Specifications:

Focal Length 21mm
Aperture range f/2.8 -  f/22 (1/3 steps)
Number of elements/groups 9 / 7
Focusing range 0.5m  - infinity
Angular field* (diag./horiz./vert.) 90 / 80 / 58 degrees
Coverage at close range 47 x 71cm
Image ratio at close range  1 : 21
Filter thread M46 x 0.75
Length with caps ** 75mm
Diameter** 53mm
Weight** 280g

 

* referring to 35mm format
** dimensions and weight may vary according to the camera mount.

Trade-ins are welcome!

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