Skip to content
LensFinder.org
Carl Zeiss C Biogon T* 4,5/21 ZM

Leica M-Mount

Carl Zeiss C Biogon T* 4,5/21 ZM

Focal length
21 mm
Aperture
f/4.5
Weight
210 g
Filter diameter
46 mm
Min. focus distance
50 cm
Length
56 mm
Check price on Amazon 1

At a Glance

The C Biogon 4.5/21 is a 21 mm wide-angle prime for Leica M and full frame. Its maximum aperture of f/4.5 is modest, and the weight stays at 210 g. Focusing is manual, with a minimum distance of 0.5 m. Landscape and reportage are typical uses.

Good for

  • Landscape
  • Reportage

Worth knowing

  • No autofocus: focusing is manual only.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

Report an error

Is a value wrong or missing for Carl Zeiss C Biogon T* 4,5/21 ZM? Tell us what is wrong.

Min. focal length
21 mm
Max. focal length
21 mm
Max. aperture (min. zoom)
f/4.5
Max. aperture (max. zoom)
f/4.5
Min. aperture
f/22
Elements
8
Groups
6
Weight
210 g (0.46 lb)
Filter diameter
46 mm
Min. focus distance
50 cm (19.69 in)
Length
56 mm (2.2 in)
Diameter
53 mm (2.09 in)

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Carl Zeiss C Biogon T* 4,5/21 ZM fit?

The Carl Zeiss C Biogon T* 4,5/21 ZM is a full-frame lens for Leica M-Mount cameras. On full-frame bodies it uses the whole sensor; on APS-C Leica M-Mount cameras its field of view equals 32 mm in full-frame terms.

Leica M-Mount cameras

Full frame:
Leica M EV1,Pixii Max,Leica M11-D,Leica M11-P,Leica M11 Monochrom,Leica M11,Leica M10-R,Leica M10 Monochrom,Leica M-E (Typ 240),Leica M10-P,Leica M10-D,Leica M10,Leica M-D (Typ 262),Leica M (Typ 262),Leica M Monochrom (Typ 246),Leica M Edition 60,Leica M-P (Typ 240),Leica M (Typ 240),Leica M-E (Typ 220),Leica M Monochrom (Typ 230),Leica M9-P,Leica M9
APS-C:
Pixii+ (A2572+),Pixii (A2572),Pixii (A1571),Pixii (A1112)

With the Leica M-Adapter L the lens can also be used on Leica L-Mount cameras.

Carl Zeiss C Biogon T* 4,5/21 ZM compared

Key specs side by side with the most similar Leica M-Mount lenses.

LensCarl Zeiss C Biogon T* 4,5/21 ZMVoigtlander 21mm F4 Color Skopar Pancake IIThypoch Ksana 21mm F3.5Leica Super-Elmar-M 21mm f/3.4 ASPH
Focal length21 mm21 mm21 mm21 mm
Max. aperturef/4.5f/4f/3.5f/3.4
Weight210 g136 g131 g279 g
Filter diameter46 mm39 mm39 mm46 mm
Min. focus distance50 cm50 cm50 cm70 cm
Length56 mm25.4 mm27.3 mm43 mm
Autofocusnononono
Image stabilizationnononono
Open these lenses in the comparison and add more

Carl Zeiss C Biogon T* 4,5/21 ZM: FAQ

Does the Carl Zeiss C Biogon T* 4,5/21 ZM have autofocus?

No, the Carl Zeiss C Biogon T* 4,5/21 ZM has no autofocus; you focus it manually.

Does the Carl Zeiss C Biogon T* 4,5/21 ZM have image stabilization?

No, the Carl Zeiss C Biogon T* 4,5/21 ZM has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Carl Zeiss C Biogon T* 4,5/21 ZM weigh?

The Carl Zeiss C Biogon T* 4,5/21 ZM weighs 210 g. It is 56 mm long with a diameter of 53 mm.

What filter size does the Carl Zeiss C Biogon T* 4,5/21 ZM use?

The Carl Zeiss C Biogon T* 4,5/21 ZM takes 46 mm screw-in filters.

How close can the Carl Zeiss C Biogon T* 4,5/21 ZM focus?

The minimum focus distance of the Carl Zeiss C Biogon T* 4,5/21 ZM is 50 cm, measured from the sensor plane.

Is the Carl Zeiss C Biogon T* 4,5/21 ZM a full-frame lens?

Yes, the Carl Zeiss C Biogon T* 4,5/21 ZM covers full frame. On APS-C cameras its field of view equals 32 mm in full-frame terms.

Mastodon