
About DJ OPTICAL
DJ OPTICAL was founded in 2016 by optical engineer "Mirror Craftsman DJ." After a decade of technical refinement, the company has designed and mass-produced over 100 interchangeable lenses. As a veteran Chinese optical design team with more than 20 years of industry experience, Mirror Craftsman DJ has long provided core optical solutions for multiple domestic lens brands. Its proprietary brand specializes in Leica M-mount manual lenses. The flagship product, "NyctaLux 50mm f/1.0, Night God," features an optical structure of 6 groups and 10 elements using high-refractive-index glass, emphasizing compact size and smooth bokeh. From behind-the-scenes engineering to its own brand presence, DJ OPTICAL is gradually entering the mainstream spotlight through solid optical expertise.
Lens of Casting Mirror Master DJ
Precision optical lens designed exclusively for the Leica M system
Mirror Master DJ
From behind-the-scenes design to a front-stage brand, stepping into the public eye with solid optical expertise.

Founder
Mirror Smith DJ
Founder / Optical Designer, DJ OPTICAL
DJ, the Mirror Maker, brings over 20 years of experience in optical design and is a core member of China's senior optical design team. For years, DJ has provided key optical solutions for multiple domestic lens brands, gaining deep practical expertise ranging from optical structural design to lens selection.
Founded 2016, DJ OPTICAL has spent a decade deepening its technical expertise, completing the design and mass production of over 100 interchangeable lenses. The flagship NyctaLux 50mm f/1.0 Night God features an optical structure with 6 elements in 10 groups, delivering a compact form factor and smooth bokeh.
20+
Years of Experience
100+
Mass production of lens design
10
Years of brand dedication

Handcrafted. Verified by light and shadow.
DJ OPTICAL was founded in 2016 by optical engineer "Mirror-Smith DJ". Over a decade of technical refinement has led to the design and mass production of more than 100 interchangeable lenses. As an experienced Chinese optical design team, Mirror-Smith DJ brings over 20 years of industry expertise and has long provided core optical solutions for multiple domestic lens brands. The company's flagship brand specializes in Leica M-mount manual lenses. Its signature product, the "NyctaLux 50mm f/1.0", features a high-refractive-index optical structure with 6 groups of 10 elements, emphasizing compact size and smooth bokeh. From behind-the-scenes design to a visible brand presence, DJ OPTICAL is steadily entering the mainstream market through its solid optical engineering foundation.

