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Leica 4172820 21mm f/1.4 Summilux-M Lens — main product image
Leica

Leica 4172820 21mm f/1.4 Summilux-M Lens

Experience Unrivaled Image Quality with the Leica Summilux-M 21mm f/1.4 The Leica 21mm f/1.4 Summilux-M ASPH lens redefines wide-angle photography. This fast, high-performance lens delivers exceptional image quality, even at its widest aperture of f/1.4. Its compact design and versatile nature ma...

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Overview

Experience Unrivaled Image Quality with the Leica Summilux-M 21mm f/1.4

The Leica 21mm f/1.4 Summilux-M ASPH lens redefines wide-angle photography. This fast, high-performance lens delivers exceptional image quality, even at its widest aperture of f/1.4. Its compact design and versatile nature make it an ideal choice for a range of photographic applications.

Specifications

  • Lens Type: Wide-Angle
  • Maximum Aperture: f/1.4
  • Special Features: Floating elements
  • Lens Hood: Rectangular metal
  • Filter Mount: Series VIII (21mm)

Key Features

The Leica Summilux-M lenses have wide application potential, thanks to the combination of wide-angle characteristics with ultra-high speed

Extremely shallow field depth at full open aperture allows the main subject in close focus shots to be effectively detached from the background. Stopped down to medium values, the field depth range is so great that entire landscapes will be depicted in sharp focus

With "floating elements", the superb performance is kept even at close focal distances

Vignetting and distortion are hardly noticeable in practice

Equipped with a patented, rectangular metal lens hood that accommodates series VIII (21 mm) filter mounts

Specifications

Brand
Leica
Model Number
4172820
Focal Length
21mm
Maximum Aperture
f/1.4
Lens Type
Summilux-M
Optical Design Feature
Floating elements
Included Accessory
Patented, rectangular metal lens hood
Filter Mount
Series VIII (21 mm)

Pros & Cons

👍 Pros

  • This Summilux-M lens offers ultra-high speed and wide-angle characteristics, providing broad application potential for diverse photography
  • The f/1.4 aperture allows for an extremely shallow depth of field, effectively separating subjects from backgrounds in close-focus shots
  • It maintains superb performance even at close focal distances due to its "floating elements" design, ensuring sharp images up close
  • Vignetting and distortion are hardly noticeable in practice with this lens, contributing to clean and natural-looking images
  • Equipped with a patented, rectangular metal lens hood that accommodates series VIII (21 mm) filter mounts, offering protection and light control

👎 Cons

  • The extremely shallow depth of field at full open aperture, while a creative advantage, can be challenging to manage for precise focus
  • While vignetting and distortion are hardly noticeable, they are not entirely absent, meaning some correction may still be desired in specific scenarios
  • The lens comes with a patented, rectangular metal lens hood, which might be less convenient to store or transport than a standard circular hood
  • The description details the lens's optical qualities but does not mention its physical size or weight, which are important factors for M-system users
  • The f/1.4 aperture and advanced features suggest a premium product, implying a significant investment compared to other 21mm lenses

Frequently Asked Questions

"Floating elements" in the Leica 21mm f/1.4 Summilux-M lens ensure that superb optical performance is maintained consistently, even when focusing at close distances.
Yes, when stopped down to medium aperture values, this lens offers a great depth of field range, allowing entire landscapes to be depicted in sharp focus.
This lens is equipped with a patented, rectangular metal lens hood that accommodates series VIII (21 mm) filter mounts.
The f/1.4 aperture allows for ultra-high speed, making it excellent in low-light conditions, and enables an extremely shallow depth of field to isolate subjects effectively.
According to the product features, vignetting and distortion are hardly noticeable in practice with this Leica Summilux-M lens.

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