NiSi 498792 15mm f/4 Sunstar Lens for Sony E Mount

The NiSi 15mm f/4 Sunstar is a purpose-built ultra-wide prime lens designed for Sony E mount full-frame mirrorless cameras. With a sweeping 112-degree angle of view, it excels at capturing vast landscapes, towering architecture, and dramatic interior spaces. What sets it apart from other ultra-wide options is its 10 straight aperture blades, which produce a striking, well-defined sunstar effect at virtually any aperture — a feature that typically requires stopping down to f/11 or beyond on competing lenses. This makes it a favorite among photographers who want to incorporate point light sources like the sun or streetlights as compositional elements without sacrificing exposure flexibility.

Weighing just 470g and measuring 80.5mm in length, the Sunstar is compact enough for extended fieldwork and travel. The 72mm filter thread is a practical touch, accommodating standard circular polarizers and ND filters without the need for bulky filter holder systems. The lens covers an aperture range from f/4 to f/22, giving photographers full control over depth of field in their wide-angle compositions. While it is manual focus only, the wide field of view provides generous depth of field at most settings, and the smooth focus ring allows for deliberate, precise adjustments — particularly valuable for tripod-based landscape work where autofocus speed is less critical.