Ni030 filters feature uniform attenuation simultaneously over the visible and near-IR range that is imaged by most industrial CCD/CMOS cameras. That is, regardless of wavelength within this range, approximately 50% of the light will be transmitted while less than 10% will be reflected back towards the source or subject. These filters include identical male and … Continued
ND400 absorptive neutral density filters have an optical density of 4.0, meaning that they transmit an average of 0.01% of visible light. Surprisingly, this amount of light passing through the filter is easily detectable by the human eye. Because the glass substrate is absorbing 99.99% of the light that passes into the filter, it is … Continued
ND300 absorptive neutral density filters have an optical density of 3.0, meaning that they transmit an average of 0.1% of visible light. These filters include identical male and female threads on either end so that they can be stacked with other ND filters to achieve various optical densities. Because the glass substrate is absorbing 99.9% … Continued
ND200 absorptive neutral density filters have an optical density of 2.0, transmitting an average of 1% of the visible spectrum. These filters include identical male and female threads on either end so that they can be stacked with other ND filters to achieve various optical densities. Stacking two ND200 filters together, would be nearly equivalent … Continued
ND120 absorptive neutral density filters have an optical density of 1.2, averaging 6.25% transmission over the visible spectrum. These filters include identical male and female threads on either end so that they can be stacked with other ND filters to achieve various optical densities. For example, the result from stacking two ND120 filters together would … Continued
ND060 absorptive neutral density filters have an optical density of 0.6, or approximately 25% transmission within the visible spectrum. These filters include identical male and female threads on either end so that they can be stacked with other ND filters to achieve various optical densities. For example, two ND060 filters stacked together would be approximately … Continued
ND030 absorptive neutral density filters have an optical density of 0.3, or approximately 50% transmission across the visible spectrum. These filters include identical male and female threads on either end so that they can be stacked with other ND filters to achieve various optical densities. For example, two ND030 filters stacked together would perform approximately … Continued
Designed to pass visible and shorter NIR wavelengths and assist in filtering near-IR light sources, SP785 can be considered in some cases as an alternative to using a DB735 filter. The second surface is provided with a high efficiency anti-reflection coating.
SP730 is a heat resistant filter that reduces IR radiation/camera bloom while having no effect on the apparent color of an image. The color temperature characteristics of any given camera sensor will remain unchanged. A broadband multilayer anti-reflection coating is present on the second side of this dichroic hot mirror.
SP705 is an absorptive infrared rejection filter recommended for blocking stray or scattered light from higher power near IR light sources, particularly lasers, and protecting a cameras sensor. Both surfaces are multilayer anti-reflection coated to improve visible light transmission and prevent staining.
