Custom 50mm F1.1 Leica M Mount Lens
Custom 50mm F1.1 Leica M Mount Lens
- Full Frame F1.1 Mastery: Designed specifically for full-frame sensors, this lens offers a classic 47° field of view. The ultra-large F1.1 aperture delivers dreamlike background blur and stunning low-light performance, with no vignetting at the edges.
- Customizable Leica M Mount Compatibility: Natively supports Leica M rangefinder systems and easily adapts to mainstream full-frame mirrorless cameras from Sony, Nikon, and Canon via adapters. One lens, endless possibilities.
- 2-Year Manufacturer Warranty: Provides an industry-leading 2-year warranty, demonstrating the factory’s absolute confidence in optical quality and mechanical structure, eliminating concerns for B2B sourcing.
- Solid 500g Metal Construction: Crafted from aerospace-grade aluminum alloy and high-quality optical glass, this lens offers a solid and stable feel. Precision-machined focusing components provide a silky-smooth mechanical operation experience.
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1. The Perfect Combination of Full-Frame Imaging Circle and F1.1
As a professional lens manufacturer, we understand the importance of sensor coverage. This 50mm F1.1 lens is designed specifically for Full-Frame sensors, offering a standard 47° field of view. Unlike some inexpensive large-aperture lenses on the market that only cover APS-C sensors, our lens ensures vignetting-free imaging on full-frame cameras such as the Leica M9, M10, and M11. The large F1.1 aperture, combined with a full-frame sensor, delivers extremely shallow depth of field and excellent low-light performance, making it an ideal choice for camera equipment distributors seeking high-specification optics.
2. Wide Compatibility with the Leica M Mount and the Adapter Market
While the native mount is the Leica M Mount, as an experienced lens supplier, we support custom mounts for any model. If you don’t want a custom mount, this lens can be seamlessly mounted on Sony E, Nikon Z, Canon RF, and Fuji X series cameras via our adapter. This cross-platform compatibility greatly expands your target customer base, making it a potential buyer for both Leica enthusiasts and mirrorless camera video creators.
3. 500g Solid Construction and Pure Mechanical Feel
In today’s plasticky autofocus lens market, Leedsen insists on conveying a sense of quality through its all-metal + Optical Glass construction. The lens weighs a mere 500g, a testament to its solid construction. From the smooth damping of the focus ring to the precise stops of the aperture ring, everything has been meticulously tuned. As a wholesale lens factory, we offer more than just optical products; we provide a mechanical feel, similar to that of precision instruments. This “German-style” tactile experience is key to enhancing product premium and customer satisfaction.
4. 2-Year Warranty and Worry-Free After-Sales Service
For B2B buyers, after-sales risk is the biggest pain point. Unlike many low-end factories that don’t offer after-sales support, Leedsen confidently provides a 2-Year Warranty for this 50mm F1.1 lens. This commitment is based on our rigorous quality control system (QC). We hope to send a clear signal to importers worldwide: we are a long-term, stable, and responsible partner. Choosing us means choosing an extremely low return rate and a high level of end-user trust.










