








Leica APO-Summicron-SL 50mm f/2 ASPH. Lens
Leica APO-Summicron-SL 50mm f/2 ASPH. Lens
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The Leica APO-Summicron-SL 50mm f/2 ASPH. is a distinguished prime lens that offers a traditional normal-length field of view, coupled with an exceptional optical design, specifically crafted for full-frame L-mount mirrorless cameras. With a maximum aperture of f/2, this lens strikes a harmonious balance between speed and compactness, making it highly portable and effective in low-light scenarios. It incorporates three aspherical elements to minimize spherical aberrations and distortion, ensuring remarkable sharpness. Furthermore, the lens features an apochromatic optical design that utilizes anomalous partial dispersion glass to mitigate color fringing and chromatic aberrations, thereby enhancing clarity and color fidelity. The application of multi-layer coatings also serves to reduce flare and ghosting, resulting in improved contrast under challenging lighting conditions. Enhancing its optical performance is a Dual Syncro Drive stepping motor, which provides rapid and silent autofocus capabilities, suitable for both photography and videography. Additionally, the lens is equipped with an AquaDura coating on its exposed elements and includes seals in its design, making it resilient in demanding environmental conditions.
- Normal-length 50mm f/2 lens is designed for full-frame Leica L-mount mirrorless cameras, however can also be used with APS-C models where it provides a 75mm equivalent focal length.
- Bright f/2 maximum aperture benefits working in low-light conditions and also affords greater control over depth of field for working with selective focusing techniques.
- Three aspherical elements are used to reduce distortion and spherical aberrations for improved sharpness and accurate rendering.
- Apochromatic design employs anomalous partial dispersion glass to suppress chromatic aberrations throughout the aperture range for increased color accuracy and clarity.
- Multi-layer coatings have been applied to individual elements to suppress surface reflections, flare, and ghosting for increased contrast and color fidelity.
- Dual Syncro Drive stepping motor delivers quick, precise, and near-silent autofocus performance to suit both photo and video applications. This system also avails full-time manual focus override.
- Water-repellent AquaDura coating has been applied to the front and rear optical surfaces to protect against moisture and other elements.
- Weather-sealed design protects against dust and moisture to benefit working in inclement shooting conditions.
Lens |
|
---|---|
Maximum Aperture | f/2 |
Minimum Aperture | f/22 |
Lens Mount | Leica L |
Lens Format Coverage | Full-Frame |
Angle of View | 47.2° |
Minimum Focus Distance | 1.15' / 35 cm |
Maximum Magnification | 0.2x |
Macro Reproduction Ratio | 1:5 |
Optical Design | 12 Elements in 10 Groups |
Focus Type | Autofocus |
Image Stabilization | No |
Filter Size | 67 mm (Front) |
Dimensions (ø x L) | 2.87 x 4.02" / 73 x 102 mm |
Weight | 1.63 lb / 740 g |








