SIRUI 100x150mm 4 Stop Glass Reverse Graduated Filter

SIRUI 100x150mm 4 Stop Glass Reverse Graduated Filter: Perfect Exposure Control for High-Contrast Scenes

The SIRUI 100x150mm 4 Stop Reverse Graduated Glass Filter (RGND16) is a professional-grade reverse graduated filter designed to balance exposures in high-contrast scenes, particularly during sunrises and sunsets. Crafted from high-quality German Schott glass with advanced coatings, this filter is essential for photographers looking to achieve beautifully balanced images with enhanced detail in both bright and shadowed areas.

Unique Reverse Graduated Design for Balanced Exposures

The reverse graduated grey filter features a hard grey gradient that transitions to the centre of the filter and a soft grey gradient towards the top edge. This design is especially effective when the centre of the image is brightly lit—such as during sunrise or sunset—helping to reduce excessive brightness in the centre while gradually blending towards the edges for a natural, balanced look. The filter provides 4 stops of light reduction (1.2), which effectively covers 16x of light reduction for bright areas.

High-Quality German Schott Glass with Multi-Coating

Made from 2mm thick German Schott glass, the SIRUI RGND16 filter provides excellent optical clarity and durability. The filter’s ultra-slim profile minimizes vignetting, while the multiple Nano-coating on both sides reduces reflections and enhances light transmission. This ensures that your images maintain true colours and sharpness, even in challenging lighting conditions.

Protective Nano-Coating for Durability and Easy Maintenance

The SIRUI RGND16 features an additional protective Nano-coating on both sides, making the filter water-, grease-, and dust-repellent. This protective layer not only extends the filter’s durability but also makes it easier to clean and maintain, allowing photographers to work in varied environments without compromising image quality.

Ideal for High-Contrast Photography

Reverse graduated filters are designed to address the limitations of cameras in capturing a wide dynamic range. This filter is especially useful for scenes where brightness is concentrated near the horizon—common in landscapes, seascapes, and cityscapes. By reducing the brightness in the centre of the image, the filter helps balance the exposure across the frame, producing images that feature well-exposed skies, foregrounds, and detailed clouds.

Key Specifications and Features:

• Size: 100x150mm, ideal for wide-angle and landscape photography
• Material: 2mm thick German Schott glass for superior clarity
• Light Reduction: 4 stops (1.2), 16x light reduction for high-contrast scenes
• Gradient Design: Hard grey gradient to the centre, soft grey gradient to the top edge
• Coating: Ultra-slim multiple Nano-coating, water-, grease-, and dust-repellent for easy maintenance

Benefits of Graduated Filters

Graduated filters, especially reverse graduated types, help address the limitations of camera sensors in capturing a wide dynamic range. When shooting scenes with bright skies and darker foregrounds, the filter darkens overly bright areas while preserving detail across the entire frame. This results in images with rich, detailed clouds and balanced exposure across the scene.

• Soft Graduated Filters: Best for landscapes or skylines with undefined horizons, such as those with trees, mountains, or buildings.
• Hard Graduated Filters: Ideal for clear horizons, such as seascapes, ensuring both sky and foreground are properly exposed.
• Reverse Graduated Filters: Perfect for bright-centre compositions, such as sunrises or sunsets, balancing light and dark areas for striking, well-exposed images.

Included Accessories:

• 1x SIRUI RGND16 (1.2) 100x150mm Square Reverse Graduated Grey Filter
• 1x Padded Pouch for safe storage and transport

The SIRUI 100x150mm 4 Stop Glass Reverse Graduated Filter is a powerful tool for landscape photographers who need control over high-contrast lighting. Its durable construction, protective coatings, and precision gradient design make it a reliable filter for capturing beautifully balanced images with enhanced details in both the highlights and shadows.