Zeiss C Biogon T* 21mm f/4.5

Carl Zeiss C Biogon T 21mm f/4.5 ZM

Lens Summary

Brand: Zeiss

Also Known As: Zeiss 21mm f/4.5

Lens Type: Prime Lens

Format: Full Frame / FX

Focus: Manual Focus

Lens Mount: Leica M

Release Date: 2006-01-01

MSRP Price: $1201

Made in: Germany

Infrared Rating: Good

Production Status: In Production

Lens Description: The 21mm f/4.5 C Biogon T* 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 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.

Zeiss C Biogon T* 21mm f/4.5 Specifications

Lens Specifications
Lens TypePrime Lens
Focal Length21mm
Mount TypeLeica M
FormatFull Frame / FX
Compatible Format(s)35mm Film / Full-Frame Digital Sensor DSLR (APS-C Sensor
Compatible with TeleconvertersNo
Maximum Reproduction Ratio1:20
Image StabilizationNo
Aperture Information
Aperture RingYes
Maximim Aperturef/4.5
Minimum Aperturef/22
Maximum Angle of View (Full frame or larger format)90°
Optical Information
Lens Elements8
Lens Groups6
T* Anti-Reflective CoatingYes
Focus Information
FocusManual Focus
Built-in Focus MotorNo
Minimum Focus Distance0.50m
Distance InformationYes
Filter Information
Filter Size46mm
Accepts Filter TypeScrew-on
Physical Characteristics
Weather / Dust SealingYes
Mount MaterialMetal
Dimensions53 x 56mm
Other Information
Available in ColorsBlack or Silver

Lens Construction

Carl Zeiss C Biogon T 21mm f/4.5 Diagram

MTF Chart

Carl Zeiss C Biogon T 21mm f/4.5 MTF Chart


Inline Feedbacks
View all comments