---

title: Leica APO-Summicron-SL 50mm f/2 ASPH.
description: "Professional 50mm prime with APO chromatic correction and f/2 speed. Weather-sealed construction delivers legendary Leica optical quality for portrait and general photography."
brand: Leica
mount: L-Mount
focal_length: 50
aperture: 2.0
angle_of_view: 47
lens_type: Prime
weight: 740
year: 2019
weather_sealed: true
image_stabilization: false
price: 5450
focus: Auto
lens_category: ["Normal"]
filter_size: 67
max_magn: 0.20
close_focus: 0.35
sku: 11185
diameter: 73
length: 102

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

featured_image: /lenses/leica/leica-50mm-f2-apo.png

---

From Leica: 

> Over a century of passion for photography is brought together in the new APO-Summicron-SL 50 f/2 ASPH. to create a new dimension of visual aesthetics. Its unique combination of highest detail rendition and a focal length that gets closest to what is naturally perceived by the human eye delivers especially ‘authentic’ results. Perfectly matched to the state-of-the-art SL-System, and with one of the fastest autofocus systems in the professional camera segment, the APO-Summicron-SL 50 f/2 ASPH. captures the essence of special moments in remarkable pictures.

[Official Website](https://leica-camera.com/en-US/photography/lenses/sl/apo-summicron-sl-50mm-f2-asph-black)

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