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Leica Super-Elmar-M 21mm f/3.4 ASPH. Lens

BH #LE2134M • MFR #11145
Leica Super-Elmar-M 21mm f/3.4 ASPH. Lens
Key Features
  • Leica M-Mount Lens
  • Aperture Range: f/3.4 to f/16
  • One Double-Sided Aspherical Element
  • Four Low Dispersion Elements
A versatile wide-angle prime for Leica M-mount rangefinder cameras, the Super-Elmar-M 21mm f/3.4 ASPH. is a unique lens characterized by its sophisticated optical design and impressively sleek form factor. Utilizing one double-sided aspherical element and four anomalous partial dispersion elements, spherical and chromatic aberrations and distortions are minimized and sharpness is maintained throughout the aperture range. The aspherical element also contributes to the compact form factor, and the manual focusing design permits working with subjects as close as 2.3' away.
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Leica Super-Elmar-M 21mm f/3.4 ASPH. Overview

A versatile wide-angle prime for Leica M-mount rangefinder cameras, the Super-Elmar-M 21mm f/3.4 ASPH. is a unique lens characterized by its sophisticated optical design and impressively sleek form factor. Utilizing one double-sided aspherical element and four anomalous partial dispersion elements, spherical and chromatic aberrations and distortions are minimized and sharpness is maintained throughout the aperture range. The aspherical element also contributes to the compact form factor, and the manual focusing design permits working with subjects as close as 2.3' away.

Wide-angle prime utilizes one double-sided aspherical element to reduce spherical aberrations and distortion for improved sharpness throughout the aperture range.
Four anomalous partial dispersion glass elements help reduce color fringing and chromatic aberrations for improved clarity and color accuracy.
Aspherical element also contributes a compact design measuring 2.1 x 1.7".
Manual focus design affords a minimum focusing distance of 2.3'.
The front of the lens has 46mm-diamter threads to accept optional filters and the lens is male threaded to accept the included lens hood.
UPC: 799429111458

Leica Super-Elmar-M 21mm f/3.4 ASPH. Specs

Color
Black
Focal Length
21mm
Maximum Aperture
f/3.4
Minimum Aperture
f/16
Lens Mount
Leica M
Angle of View
91°
Minimum Focus Distance
2.3' / 70 cm
Macro Reproduction Ratio
1:29.8
Optical Design
8 Elements in 7 Groups
Focus Type
Manual Focus
Filter Size
46 mm (Front)
Dimensions (ø x L)
2.1 x 1.7" / 53 x 43 mm
Weight
9.8 oz / 279 g
Packaging Info
Package Weight
1.05 lb
Box Dimensions (LxWxH)
4.9 x 4.8 x 4.7"

Leica Super-Elmar-M 21mm f/3.4 ASPH. Reviews

See any errors on this page? Let us know

does this include the front cover ring and ...

does this include the front cover ring and rounded lens cap like the Summilux 35mm Aspherical?
Asked by: Erick
The lens hood is rectangular in shape and is produced out of metal which is similar in design as the 35mm Summilux. Both have a plastic rectangular cap that snaps over the front of the lens hood. Neither the hood nor the cap is round on either lens. Also there is no front cover ring for the filter threads included with this lens.
Answered by: Richard
Date published: 2022-05-14

I'm very interested in this lense. What comes ...

I'm very interested in this lense. What comes with it? Box, lense, hood, lense bag?
Asked by: Darryl
The Leica Super-Elmar-M 21mm f/3.4 ASPH. Lens includes the following: Lens Hood Front Lens Cap Leica Rear Lens Cap for M-Mount Lenses Limited 3-Year Warranty
Answered by: Lawrence C
Date published: 2022-06-22

Forgot to ask, but does is this lense 6bit ...

Forgot to ask, but does is this lense 6bit encoded?
Asked by: Darryl
Yes, this lens is 6 bit coded as are all of the current M lenses are.
Answered by: Richard
Date published: 2023-09-17

Can we use this lens on Leica SL2 s body with the ...

Can we use this lens on Leica SL2 s body with the M adapter and get same results ?
Asked by: marlana
Yes, but the proper adapter will be needed Please review the following adapter Leica M-Adapter L (Silver) https://bhpho.to/3CV1AuU
Answered by: hectorm
Date published: 2021-08-17

Wondering if this lens works well on a Nikon Z7ii ...

Wondering if this lens works well on a Nikon Z7ii with an adapter. Anyone have experience with this?
Asked by: Laura
Yes Leica Super-Elmar-M 21mm f/3.4 ASPH. Lens will work well on a Nikon ZII with a Leica m to Nikon z adapter.
Answered by: Daniel C
Date published: 2022-04-28

question

To use this lens on an M-E must you use a special viewfinder?
Asked by: John H.
You do need a separate view finder to frame your shot correctly. The bad news is it is pricey. If I am not mistaken the M-E does not have Live View otherwise you could just use that. The good news is the EVF really does help a lot. Once you start using it, it is really hard not to use it. On the 21mm Super-Elmar this is my favorite lens. I use it a lot for landscape photography. It is really easy to focus for landscape photography given you are almost always at infinity. The lens it self if really sharp, compact and light. The only negative is the lens cap is a little gimmicky and comes off easily. Other than that great lens.
Answered by: Robert L.
Date published: 2018-08-28

question

Can you use a 46mm UVA or polarizing filter with the hood or must the hood be removed for all filter applications ?
Asked by: Vijay D.
You can not put a filter on the lens with the hood attached.
Answered by: VICTORIA B.
Date published: 2020-07-01

question

Do you consider this one of the best wide angle lens of all time? Compared to other leica wide angle lens? Including 28mm summilux?
Asked by: Anonymous
Difficult to say if this is the best of all time as I only shoot Leica and Nikon and don't have dozens of wide angles to compare it to. It is certainly a fine lens and among the variety of Leica lenses in my kit, this is certainly the sharpest. On a recent trip to Cuba, I shot for a week with basically two cameras and two lenses: M with the 21 and a D5 with 70-200. Nearly 7000 images later, I wouldn't have changed a thing. Hope this helps.
Answered by: Roger D H.
Date published: 2023-09-25
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