Leica 50mm f1.4 Summilux-M Asph, Boxed DAG CLA 4154381
This Leica 50mm f1.4 Summilux-M Asph Lens (Black), #4154381, is in great condition with minor handling wear. I rate it cosmetically a (9+). The focus and aperture rings are smooth, the aperture functions properly, and the glass is clean and clear with no haze, marks, or fungus. There are a few faint specks of dust inside, but they do not affect image quality. This lens includes a leather Leica lens case, front & rear caps, and the original instructions & box. It was CLA'd by DAG in 2025. Please refer to the photos for details.
What Our Experts Think
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Ultra-fast f/1.4 aperture delivers stunning low-light performance and creamy bokeh.
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ASPH optics provide exceptional sharpness, high contrast, and accurate color rendition.
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Classic 50mm focal length ideal for portraits, street, and general photography.
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Professionally CLA’d (Cleaned, Lubricated, Adjusted) by DAG and supplied boxed for collector-quality condition.
Q&A
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Q: Is this lens compatible with Leica M cameras?
A: Yes, fully compatible with all Leica M-mount cameras.
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Q: What is the focal length?
A: 50mm, perfect for natural perspective and portraiture.
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Q: What does DAG CLA mean?
A: Professionally cleaned, lubricated, and adjusted by DAG for optimal performance.
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Q: Suitable for professional use?
A: Absolutely, designed for professional photographers and serious enthusiasts.
Maintenance Tips
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Clean lens glass with a microfiber cloth and lens-safe solution.
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Use front and rear caps when not in use to prevent dust and scratches.
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Store in a cool, dry environment to protect optical coatings.
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Avoid impacts or rough handling.
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Periodically check focus and aperture mechanisms for smooth operation.
Damage 
Loss 
Theft 
