Hoya 77mm SOLAS IRND 3.0 (10-Stops) Infrared Neutral Density Filter

The Hoya SOLAS IRND filters were created using the latest materials and Japanese manufacturing processes to maintain a neutral color rendition throughout their density range of 0.3 to 3.0. A factor that a lot of ND filters do not take intoaccount is the affect of IR (Infrared) light on color. As digital imaging sensors become more and more sensitive to light they are also more susceptible to overexposure and more sensitive to infrared light. To address these two sensor issues Hoya developed the SOLAS line of IRND filters. First, they come in densities of .3, .6, .9, 1.2, 1.5, 1.8, 2.7 and 3.0, that is 1~6 plus 9 and 10 stops light reduction while maintaining amazingly neutral color balance. This reduces the amount of light entering the camera allowing for either very wide apertures or very long shutter speeds being used in bright lighting conditions. Normal ND filters often have a transmission spike in the near infrared (A.K.A High Red) area of the color spectrum that leads to color casting. The Hoya SOLASIRND filters are designed to evenly suppress IR across red, near-IR and IR areasof the spectrum to avoid any spectrum spikes that can add a color cast to the image. The combination of IR suppression and exacting color balance through use of the latest ND materials means the SOLAS series maintains neutral color balance that is matched in every density throughout range. Hoya SOLAS filters are available in standard sizes from 46mm - 82mm.

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