SUPERIOR IMAGE QUALITY - Crafted from high-quality optical glass with multi-layer coatings, this filter ensures exceptional clarity and prevents unwanted reflections, maintaining image sharpness. ENHANCED DURABILITY - The Red-Diamond series boasts enhanced scratch resistance, making it more robust and reliable for use in challenging outdoor photography conditions. PRECISE LIGHT REDUCTION - Achieve a 4-stop (1.2 density) graduated neutral density effect, balancing exposure in scenes with bright horizons for perfectly exposed images. OPTIMIZED FILTER SIZE - Measuring 100x150mm, this rectangular filter is ideally sized for standard filter holders, offering easy integration with your existing photography gear.