---

title: Leica Super-APO-Summicron-SL 21mm f/2 ASPH
description: "Premium ultra-wide prime with APO chromatic correction and f/2 speed. Weather-sealed aluminum construction delivers legendary Leica optical quality for professional photography."
brand: Leica
mount: L-Mount
focal_length: 21
aperture: 2.0
angle_of_view: 92
lens_type: Prime
weight: 789
year: 2023
weather_sealed: true
image_stabilization: false
price: 5495
focus: Auto
lens_category: ["Ultra-Wide Angle"]
filter_size: 67
max_magn: 0.19
close_focus: 0.21
sku: 11181
diameter: 73
length: 102

date: 2025-07-23
draft: false
author: Jan Wedekind

featured_image: /lenses/leica/leica-21mm-f2-apo.png

---

From Leica: 

> When the minds at Leica set their sights on innovation, they don't just aim to improve: they aim to set new milestones and create masterpieces of photography. That's exactly what they've done with the Leica Super-APO-Summicron-SL 21 f/2 ASPH. — the world's first APO lens with a 21mm focal length.

[Official Website](https://leica-camera.com/en-US/photography/lenses/sl/super-apo-summicron-sl-21-f2-asph)

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