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Knight Optical offer a range of Stock Polarisers that can be used in the visible range for use with cameras/photography. Linear Polarisation can be split into P-Polarised (Light where the electric field is Parallel to the plane of incidence) and S-Polarised (Light where the electric field is Perpendicular to the plane of incidence) light, where a polariser can be used to eliminate one plane of polarisation. This is done to decrease ‘glare’ (reflections on the surface) when an image is being taken, and increase the contrast. This is used often with cameras to obtain ‘better’ image quality at the expense of an image that appears slightly darker. Knight Optical also keep stock a UV and NIR range of sheet polarisers, for use with cameras outside of the typical visible range. These Linear Polarisers are available with single-sheet transmissions in the range of 22-44% and also in a range of sizes. Read PDF for more information

Knight Optical offer a range of Stock N-BK7 Precision Grade Windows, for use with Thermal Imagining Cameras. Infrared radiation is characterised by the wavelengths ranging from 750nm to 1000µm. Although typically used for the visible range, N-BK7 does have transmission within the near infrared spectrum also. Where IR materials such as Germanium are limited to a small band in the IR spectrum, N-BK7 works well throughout the entire visible and into the NIR, making it a perfect material for a protective window for using within a Thermal Imaging Camera. A low cost material, it is perfect substrate for your protective window. We can supply both stock and custom N-BK7 windows to protect your thermal imaging application. The high optical quality and uniform transmission of N-BK7 as well as low absorption in the entire visible wavelength range is a key feature for this application. For more information read PDF

Arri's Alexa 35 camera, bringing to market after twelve years an innovative 4.6K sensor with 17 stops of dynamic range, Arri clarifies that it provides more beautiful colors and improvements in low-light performance. The camera has a wide range of lenses, including anamorphic and spherical, Super 35 and large format, a selection of accessories and a new application to improve workflow. It is a 35mm ARRI ALEV 4 CMOS sensor, with a resolution of 2K to 4.6K, is capable of reaching speeds of up to 120 frames per second right out of the box, weighs only 2.9Kg and LDS systems among other features. On one side of the camera, you have several connectors: an LBUS connector that connects the lens motors, a serial port for distance measuring devices, an ETH connector for remote controls, SYNC IN that is switchable to SDI...

The compact versions of our xiX PCIe camera series, equipped with Sony Pregius™ CMOS sensors, are the ideal choice for system integrators with complex setups and high bandwidth demands. Delivering high performance in small spaces or spread across greater distances, these cameras enable even the most challenging multi-camera systems. Reaching a resolution of 24.5 Mpix (5,320 x 4,600 pixels) and up to 30 fps pixels.