B&W B+w 1101620

B+W MASTER 30.5mm HTC Käsemann Circular Polarizer FilterElevate your photography and unlock the true potential of your lenses with the B+W MASTER 30.5mm HTC Käsemann Circular Polarizer Filter. Engineered in Germany for photographers who demand uncompromising optical quality, this filter is the ultimate tool for controlling reflections, enhancing colour saturation, and achieving breathtaking clarity directly in-camera. It stands as a pinnacle of lens filter technology, designed not just to augment your images, but to preserve the pristine sharpness of the world´s finest apochromatic lenses.Discover the power of a professional-grade circular polarizer. By simply rotating the filter, you gain precise control over your image, effectively eliminating distracting glare and reflections from non-metallic surfaces like water, glass, and foliage. This allows you to see through the surface of a lake, remove window reflections from an architectural shot, and reveal the rich, true texture of your subjects. Furthermore, it dramatically deepens blue skies, creating a powerful contrast with white clouds, and boosts the vibrancy of green leaves, transforming flat, washed-out scenes into dynamic, compelling photographs.What sets this filter apart is its groundbreaking High Transmission (HTC) technology combined with the legendary Käsemann manufacturing process. Standard polarizers can often cause a significant loss of light, forcing you to use slower shutter speeds or higher ISOs. The B+W HTC design overcomes this limitation by incorporating a specialized polarizing film with significantly higher light transmission. With a filter factor of only 2-3 (a loss of just 1-1.5 f-stops), you can maintain faster shutter speeds to freeze action and use lower ISO settings for cleaner, noise-free images, even in less-than-ideal lighting conditions.The superior construction ensures this filter is a long-term investment in your craft. The Master designation signifies a slim yet incredibly robust brass mount, which prevents binding and ensures smooth, easy attachment and removal from your lens. This slim profile is essential for wide-angle lenses, as it helps to prevent vignetting, ensuring your frame is clear from corner to corner. The legendary Käsemann process guarantees optical excellence and durability. Each filter is built for longevity, with cementing techniques that provide exceptional stability and resistance to humidity, making it a reliable partner in challenging climates. This is a filter built not just for performance, but for endurance.Features:- In these high-end polarising filters, the polarising foil is more tightly specified and the foil pieces are specially selected for unparalleled consistency and efficiency.- After cementing between high-quality cover glasses, an additional grinding and polishing process takes place to achieve maximum optical flatness.- This meticulous process ensures superior sharpness even when paired with very fast, apochromatic