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◉ Create Beautiful Sunstars from f/4 to f/22
◉ Full-Frame Mirrorless Format
◉ Aperture Range: f/4 to f/22
◉ Manual Focus Operation
◉ Double-sided aspherical element
◉ 112° wide field of view
◉ Compatible with 100mm filter systems
◉ Premium all metal construction
◉ High definition optical glass elements

Lens detail

The NiSi 15mm f/4 Sunstar Super Wide Angle Full Frame ASPH Lens combines a compact form factor with a super ultra-wide field of view making it the perfect companion for landscape, seascape, night, architecture, interior and nature applications.

The wide 112° angle of view is combined with an advanced optical design, which includes aspherical, and low dispersion elements, to achieve a well-corrected, sharp, and color-accurate image.

The lens has a manual focus design and allows working with subjects as close as 0.2m/7.87′′ away.


The NiSi 15mm f/4 Sunstar Super Wide Angle Full Frame ASPH Lens features a unique aperture design that contains 10 straight blades allowing for Sunstars from f/4 to f/22 and optimal image quality throughout.

This breaks the paradigm of needing a small aperture to create a Sunstar.

Sunstar example
Lens diagram

The lens elements are made of optical glass and comprise of one double-sided aspherical element and two extra-low dispersion elements.

The wide angle lens features minimal chromatic aberration, minimal distortion and vignetting. The lens utilizes anti-reflection technology in order to improve light transmittance and reduce lens flare and stray light.

NiSi’s hard surface coating technology improves the toughness and waterproofing of glass elements.

Lens Specs