Tiffen 4.5" Round IR Infrared ND Neutral Density 2.1 Hot Mirror Filter

Under the umbrella of Tiffen's renowned photography equipment, the 4.5" Round Hot Mirror IR Neutral Density (ND) 2.1, 7-Stop Filter stands as an essential tool for digital photographers. This high-quality filter addresses the critical issue of color shift, a common challenge in the realm of high-definition photography. The color shift is significantly influenced by the infrared spectrum, a factor that becomes particularly noticeable when using standard neutral density filters that absorb visible light but allow infrared to pass through.

Crafted from durable, optically pure water white glass, this filter employs Tiffen's innovative ColorCore Glass technology. This technology encapsulates the coating within the glass, ensuring that routine cleaning doesn't affect the coating's integrity. The glass is meticulously ground to achieve perfect parallelism and the highest possible standards of flatness, making this filter a reliable choice for photographers.

The 4.5" Round Hot Mirror IR Neutral Density (ND) 2.1, 7-Stop Filter is a versatile combo filter, incorporating both IR and ND (Neutral Density) components. This effective design combats IR pollution in both the Near IR and IR regions of the spectrum. By reducing the amount of light entering the camera lens, this filter allows for a wider aperture and faster shutter speed in bright conditions. This can result in a shallower depth of field, ideal for creating a blurred background effect in portraits or other types of photography. Furthermore, the "hot mirror" coating on the filter reduces reflections and glare on reflective surfaces, such as water or glass, enhancing the overall quality of the image.