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Knight Optical We offer Stock Polarisers used in the visible range in cameras/photography. We supply a range of Polarizer options for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. 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. For more information read the PDF…. Material::N-BK7 or Equivalent Diameter Tolerance::+0.0/-0.25mm Length/Width Tolerance::±0.5mm (<100mm) ±1mm (100-400mm), nominal (>400mm) Axis direction: :±2°

Reliable supplier of Domes for underwater ROVs for surface & deep water - Knight Optical has successfully launched a range of Stock Optical Domes for Submersible ROVs underwater imaging, sensing and exploration applications, where protection of electronic sensor systems from harsh liquid and gas environments is essential. A dome is essentially a window that has two parallel curves faces. Our domes ensure high clarity and transmission in the UV-NIR and FarIR spectrums allowing for accurate measurement. Knight Optical is a trusted, established and reliable supplier to manufacturers of underwater ROVs for surface and deep water exploration. With our excellent record delivering quality, metrology tested optical domes & windows; we like to think we are your best solution for custom ROV dome and window solutions. Our products are used by satisfied customers in the ROV industry worldwide. Contact our experts and find out why! For more information read PDF

Automatic Number Place Recognition Cameras otherwise known as ANPRs; are camera devices designed to work at certain wavelengths (dependent on Country) to read a license plate’s number of a vehicle to then track it through a database to identify any criminal offences links to that car, such as uninsured; stolen; major and organised crime; and even terrorism. They are typically installed on motorways; busy roads around cities and towns; and also on police cars as well as specialised ANPR police vans. Knight Optical offers Colour Glass Filters for such an application, be it either long pass or bandpass filters. The wavelengths typically used by ANPR camera companies are: 695nm; 740nm; 810nm; 850nm; 910nm and 940nm Read PDF for more information Material::Colour glass Length/width::± 0.20 mm Thickness::± 0.20 mm Surface quality::<60-40 scratch/dig Parallelism::<3 arcmin

KO can offer Metallic Neutral Density Filters for use in Photographic Applications. We supply a range of Metallic Neutral Density (ND) Filters for a variety of applications – all individually QA checked and metrology tested for quality to ensure parts meet customers’ specifications. What’s more, our Metallic ND Filters are supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Our Metallic ND Filters reflect (with a metallic coating) light neutrally over a wavelength range (typically visual). They can be used to lower the intensity of light prior to the image plane. These are often used in photography, allowing photographers more flexibility with their setups to achieve desired effects. Often, an ND filter will be used in conjunction with a long exposure to prevent washed-out and overexposed images. They can also be used to add motion blur, reduce depth of field and to use a wider aperture. For more information read PDF… Shapes: :Circular Filters, Square Filters Dimensional Tolerances::+/- 0.1mm Flatness::< 5(1) @ 632.8nm Surface quality::< 40-20 Scratch/Dig

Our precision grade N-BK7 windows are often used to seal optical enclosures & act as a protective window for the optical and electrical component behind the window, particularly within CCTV and ANPR systems where there is a risk of damage. N-BK7 provides excellent transmission in the visible and near infrared spectrum which can be enhanced still with our Anti Reflective coatings. Our stock range of ¼ wave N-BK7 or equivalent windows are supplied either uncoated or with the option of an Anti-Reflective coating on both faces with extended BBAR for visible and NIR applications within the 450-900nm wavelength range. We can also offer custom solutions for your application, whether it is a custom size or a coating to optimise a different wavelength range, beamsplitter coated or mirror coated to meet your bespoke requirements. Read PDF for more data Typical specs::N-BK7 or Equivalent Length/Width Tolerance::±0.1mm Thickness Tolerance::±0.1mm Flatness::>λ/4 over 90% aperture Surface quality::<40/20 Scratch/Dig Parallelism::1 arc minute Coating::Windows with the suffix “AV2” are coated on both faces with our extended broadband multilayer antire

IR materials Germanium Calcium Fluoride Zinc Sulphide Zinc Selenide Aluminium - Diamond turning is an Aspherics best friend! Knight Optical can supply you with a custom made Diamond turned aspheric lenses. Diamond turned aspheric optical lenses are typically used in missile guidance systems, night vision/thermal Imaging cameras and other military based optics and commercial infrared systems (IR). The benefit of Diamond Turned Aspheric optics, are that lens shapes can be manufactured very accurately without an expensive tooling cost except for the diamond bit; and is cost efficient for small quantities. Which are ideal for use within the Defence and Aerospace Industry. Knight Optical offers diamond turned aspherics from a range of infrared materials including Germanium (Ge), Calcium Fluoride (CaF₂), Zinc Sulphide (ZnS), Zinc Selenide (ZnSe), Aluminium (Al) and chalcogenide glasses like AMTIR (Ge33As12Se55 ). For more details read the PDF... Material::Germanium, ZnSe, Caf2, Silicon, Zinc Selenide (For LWIR) Diameter::Up to 200mm dia +0, -0.02mm Thickness::+/- 0.2mm Flatness::< 1/2 wave over 90% aperture Surface quality::< 40-20 scratch/dig Parallelism::5 arcmin Coating::AR/DLC (3-5 micron, 7-14 micron, 10-12 micron)

Knight Optical also keep stock a UV & NIR range of sheet polarizers - 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 Material::N-BK7 or Equivalent Diameter Tolerance::+0.0/-0.25mm Length/Width Tolerance::±0.5mm (<100mm) ±1mm (100-400mm), nominal (>400mm) Axis direction: :±2°

avec pieds enroulables composites de 1 m, 2 m ou 3 m, capables de supporter des - CE TRÉPIED N’EST PAS TÉLESCOPIQUE - IL EST FABRIQUÉ DANS UN COMPOSITE ENROULABLE UNIQUE. TESTÉ ET ÉPROUVÉ PAR L’ARMÉE DEPUIS PLUS DE 20 ANS, MAINTENANT DISPONIBLE POUR LES CLIENTS CIVILS. Grâce à leur composite unique, ces trépieds peuvent supporter des charges supérieures allant jusqu’à 115 kg. Léger, portable, solide : votre solution idéale de mobilité.

The camera mounting adapter can be used on all Rolatube masts and tripods. It provides a 100mm (4”) spigot and incorporates a standard 6mm (0.25″) Whitworth screw for direct interface with a camera. System 100 masts System 75 masts System 50 masts System 50 tripods Material:Thermoplastic

L'adattatore per il montaggio della telecamera può essere utilizzato su tutti i montanti e i treppiedi Rolatube. Dispone di un attacco da 100 mm (4") con unavite Whitworth standard da 6 mm (0,25") per l'interfaccia diretta con una telecamera. Montanti System 100 montanti System 75 Matériau:termoplastico

El adaptador de montaje de cámara se puede utilizar en todos los mástiles y trípodes de Rolatube. Proporciona una espita de 100 mm (4") e incorpora un tornillo Whitworth estándar de 6 mm (0,25") para la interfaz directa con una cámara. Mástiles System 100 Mástiles System 75 Mástiles System 50 Trípodes System 50 Material:termoplástico

Knight Optical can offer you Stock and Custom Colour Glass Filters, for use within Inline Cameras in a range of materials of brands such as Schott, Kopp and CDGM. Depending on the achievable wavelength and desired affect you need for the Inline Camera we can find a suitable material for your application. Colour Glass Filters are good for selecting a particular wavelength to be absorbed so that the high out of band blocking in achieved. With regards to the use in Inline Cameras, Colour Glass Short pass Filters are more desirable as they cut out the IR wavelengths mean the imaging is not saturated with the IR giving the image better clarity. Colour Glass Filters are polished sheets of special glass that have been cast with a dye. Colour Glass Filters generally are relatively cheap and very stable. The disadvantage with them is that they are only available in a relatively small number of variants, and so can be restrictive in shortwave selection. Read PDF for more Information…. Material::Colour glass Diameter::+0.0 / -0.20 mm Length / width::± 0.20 mm Thickness::± 0.20 mm Surface quality::<60-40 scratch/dig Parallelism::<3 arcmin

Increase visibility on your Coach, Bus or Truck, Motorhomes, Horseboxes, with our dual camera system. Replacing old mirrors with this new technology allows you to have a greater view around the vehicle increasing safety of you, your passengers and others, reducing accidents and saving on fuel. Replacing your standard bus, coach or truck mirrors with a dual camera system can increase safety and reduce on fuel consumption. ​12.3” High Definition Colour IPS Screen with Split View. The HD technology provides a sharp and detailed image. There is no reflection from the sun you would normally get in a standard mirror and the cameras have night functionality, Dual Loop Recording

Stock & custom precision optical filter in materials such as Schott Kopp & CDGM - Knight Optical can offer you Stock and Custom Colour Glass Filters, for use within Inline Cameras in a range of materials of brands such as Schott, Kopp and CDGM. Depending on the achievable wavelength and desired affect you need for the Inline Camera we can find a suitable material for your application. Colour Glass Filters are good for selecting a particular wavelength to be absorbed so that the high out of band blocking in achieved. With regards to the use in Inline Cameras, Colour Glass Short pass Filters are more desirable as they cut out the IR wavelengths mean the imaging is not saturated with the IR giving the image better clarity. Colour Glass Filters are polished sheets of special glass that have been cast with a dye. Colour Glass Filters generally are relatively cheap and very stable. The disadvantage with them is that they are only available in a relatively small number of variants, and so can be restrictive in shortwave selection.  For More Info see PDF... Material::Color glass Diameter::+0.0 / -0.20 mm Length / width::± 0.20 mm Thickness::± 0.20 mm Surface quality::<60-40 scratch/dig Parallelism::<3 arcmin

Automatic Number Place Recognition Cameras otherwise known as ANPRs; are camera devices designed to work at certain wavelengths (dependent on Country) to read a license plate’s number of a vehicle to then track it through a database to identify any criminal offences links to that car, such as uninsured; stolen; major and organised crime; and even terrorism. They are typically installed on motorways; busy roads around cities and towns; and also on police cars as well as specialised ANPR police vans. Knight Optical offers Colour Glass Filters for such an application, be it either long pass or bandpass filters. The wavelengths typically used by ANPR camera companies are: 695nm; 740nm; 810nm; 850nm; 910nm and 940nm. We offer these filters as either long pass or band pass filters. We can also offer these as customised filters with specific band blocking coatings to optimise your wavelength of choice. For more details see PDF Material::Colour glass Diameter::+0.0 / -0.20 mm Length/width: :± 0.20 mm Thickness::± 0.20 mm Surface quality::<60-40 scratch/dig Parallelism::<3 arcmin

CMOS sensors are used within commercial grade Digital SLR cameras as a replacement for the more expensive CCD. These CMOS sensors are extremely sensitive to IR light, which can lead to discolouration. IR cut filters are used to block the IR light, meaning that photographs are taken with life-like colours. Colour Glass Filters can be used in variations of Bandpass, Long pass and Short pass, depending on which wavelengths of light need to be blocked resulting in different key areas being more easily distinguished. Knight Optical offers Colour Glass and IR cut filters for such an application, with a wide range of band widths and cut on/off wavelengths. As above these are available as Bandpass, Long pass or Short pass filters and we can also offer customised filters with coatings specific to the wavelength of your choice. We hold a massive inventory of IR cut, Bandpass, Long Pass and Short Pass filters: Read PDF for more info…. Material::Colour Glass and Borosilicate/D263T or equivalent Diameter::+0.0 / -0.20 mm Length/width::± 0.20 mm Thickness: :± 0.20 mm Surface quality::<60-40 scratch/dig or <20:10 for HD cameras Parallelism::<3 arcmin

Der Kameramontageadapter kann für alle Rolatube Maste und Stative verwendet werden. Er verfügt über einen 100 mm (4") Zapfen und eine standardmäßige 6 mm (0,25″) Whitworth-Schraube für den direkten Anbau einer Kamera. System 100 Maste, System 75 Maste, System 50 Maste, System 50 Stative Material:Thermoplast

Aspherics with a range of infrared materials incld Ge, CaF₂, ZnS, ZnSe, & Al - We can supply you with a custom made Diamond turned aspheric lenses for use within Thermal Imaging Cameras. Thermal Imaging Cameras work similarly to traditional visible camera systems; while traditional cameras form images using visible light; thermal cameras form images using infrared radiation; operating in wavelengths as long as 14µm. Spherical aberration occurs in common singlet lenses, which results in an image that appears distorted, aspheric lenses correct spherical aberration. An aspheric lens surface is designed non-spherical, which allows a single component lens to collimate or focus highly divergent rays, potentially replacing a multi-lens system. This in turn provides the camera system with a better image quality. Knight Optical offers diamond turned aspherics from a range of infrared materials including Germanium (Ge), Calcium Fluoride (CaF₂), Zinc Sulphide (ZnS), Zinc Selenide (ZnSe), Aluminium (Al) and chalcogenide glasses like AMTIR (Ge33As12Se55 ) PDF FOR INFO Material::Germanium, ZnSe, Caf2, Silicon, Zinc Selenide (For LWIR) Diameter::Up to 200mm dia +0, -0.02mm Thickness::+/- 0.2mm Flatness::< 1/2 wave over 90% aperture Surface quality::< 40-20 scratch/dig Parallelism::5 arcmin Coating::AR/DLC (3-5 micron, 7-14 micron, 10-12 micron)

Stock & custom precision optical filter in materials such as Schott Kopp & CDGM - Knight Optical can offer you Stock and Custom Colour Glass Filters, for use within Inline Cameras in a range of materials of brands such as Schott, Kopp and CDGM. Depending on the achievable wavelength and desired affect you need for the Inline Camera we can find a suitable material for your application. Colour Glass Filters are good for selecting a particular wavelength to be absorbed so that the high out of band blocking in achieved. With regards to the use in Inline Cameras, Colour Glass Short pass Filters are more desirable as they cut out the IR wavelengths mean the imaging is not saturated with the IR giving the image better clarity. Colour Glass Filters are polished sheets of special glass that have been cast with a dye. Colour Glass Filters generally are relatively cheap and very stable. The disadvantage with them is that they are only available in a relatively small number of variants, and so can be restrictive in shortwave selection.  For More Info see PDF... Material::Color glass Diameter::+0.0 / -0.20 mm Length / width::± 0.20 mm Thickness::± 0.20 mm Surface quality::<60-40 scratch/dig Parallelism::<3 arcmin

L’adaptateur de montage de caméra peut être utilisé sur tous les mâts et trépieds Rolatube. Il dispose d’un ergot de 100 mm (4 po) et intègre unevis Whitworth standard de 6 mm (0,25 po) pour une interface directe avec une caméra. Mâts System 100 Mâts System 75 Mâts System 50 Trépieds System 50 Matériau:thermoplastique

Knight Optical offer a range of Stock Achromatic Doublet Lenses for use within Light Engines. Light engines are used for applications such as fibre optic lighting displays & in diagnostic tools like western blots & polymerase chain reaction systems. These Light Engines are typically able to produce changing colour displays. Within the light engine are a range of lenses & filters. The lenses help to homogenise and collimate the light, ensuring for a crisp high-quality beam output. Achromatic Doublets are typically used in light engine systems & correct for chromatic aberrations which exist in singlet lenses. This is when different wavelengths of light refract at different rates. The doublet lens helps to correct this by facilitating the focusing of the light to the same point. This is especially important in light engines which typically generate white light. Read PDF for more information Material::BK7, SF11 Overall Diameter Tolerance::+0/-0.10mm Focal Length Tolerance::± 1.0%

The TZ-10E Camera Adjusting Frame is a precision tool designed for the accurate alignment and adjustment of cameras. Its robust construction and fine adjustment capabilities make it ideal for applications requiring meticulous camera positioning. The frame's user-friendly design ensures easy operation, allowing users to achieve precise adjustments with minimal effort. This camera adjusting frame is suitable for use in optical laboratories, manufacturing, and research facilities. Its compatibility with various camera sizes and configurations makes it a versatile addition to any optical setup. The frame's durable construction and high precision make it a reliable tool for achieving optimal camera alignment and performance.

Optically clear & manufactured for Drone & Vision system cameras & CCTV - Knight Optical has successfully launched a range of Stock Optical Domes for protective housing for Drone and Vision system cameras, where protection of electronic sensor systems and expensive fish-eye lenses from harsh liquid and gas environments is essential. A dome is essentially a window that has two parallel curves faces. Our domes are high quality with good form error polished faces to ensure high clarity and transmission in the Visible and NIR spectrums allowing for accurate measurement. Capabilities: Domes are readily mountable, optically clear and manufactured to a high standard. Available from 5mm to 200mm in diameter and 0.25 to 10mm in thickness offering high transmission and extreme toughness for harsh environments. For more details read the PDF ... BK7:PMMA Acrylic Quartz:Sspphire Germanium:Silicon

con patas enrollables de material compuesto de 1 m, 2 m o 3 m y capaces de sopor - ESTE TRÍPODE NO ES TELESCÓPICO, SINO QUE UTILIZA UN COMPUESTO ENROLLABLE ÚNICO. PROBADO Y COMPROBADO POR MILITARES DURANTE MÁS DE 20 AÑOS Y AHORA DISPONIBLE PARA CLIENTES NO MILITARES. El compuesto único hace que estos trípodes puedan soportar cargas máximas de hasta 115 kg. Ligeros, portátiles y resistentes, su solución portátil ideal.

Knight Optical can offer Circular Sheet Polariser for use within Photographic Applications. We supply a range of Circular Sheet Polariser for a range of applications. All individually QA checked and metrology tested for quality to ensure parts meet customer specification. Supplied in a range of sizes and shapes with custom coatings tailored to meet your individual applications. Knight Optical supply precision optical components to customers within Photographic Applications. Our Circular Polarisers consist of a quarter wave plate cemented to a linear polariser. While a linear polariser may be used to reduce glare during photography (such as reflection from the surface of a body of water), autofocus systems struggle to correctly focus on linearly polarised light. With the addition of the quarter wave plate, this has little impact on the intensity of incident light to the sensor, but it makes autofocussing much easier. For more information read PDF… Shapes: :Circular Polarisers, Square Polarisers Dimensional Tolerances::+/- 0.5mm

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 Material::N-BK7 or Equivalent Diameter Tolerance::+0.0/-0.15mm Length/Width Tolerance::±0.1mm Thickness Tolerance::±0.1mm Flatness::>λ/4 over 90% aperture Surface quality::<40/20 Scratch/Dig Parallelism::1 arc minute Coating::Windows with the suffix “AV2” are coated on both faces with our extended broadband multilayer antire

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Knight Optical can offer UV Fused Silica Lenses for Colour Measurement Applications. Similarly to N-BK7, UV Fused Silica has a fairly consistent transmission across UV/VIS/NIR, meaning that that transmission in each region is almost equal. This in turn means that any image or measurement taken is not skewed towards one colour, and a more accurate measurement can be taken. This can be used in conjunction with an IR Cut Filter in cameras to remove a lot of the NIR noise giving a clearer image with better colour clarity/contrast. UV FS is comparable to N-BK7 or other similar optical glasses in its performance, having a very similar average transmission over the VIS range up to approximately 2000nm and a slightly lower refractive index. The Abbe constants of UV FS are also very similar to that of N-BK7, although slightly higher. Read PDF for full spec Material::UV Grade Fused Silica Operating Wavelength::587nm Diameter Tolerance::+0 / -0.10mm Centring Tolerance::<5 arc min Focal Length Tolerance::± 0.2mm (<10mm) ±2.0% (10mm – 1000mm) Centre Thickness Tolerance::±0.2mm Surface Figure::3/ 3 (1) Surface quality::<40-20 Scratch/Dig Coating::Optional

The mechanical iris is a camera aperture component inspired by the human eye's iris, designed to precisely control the amount of light transmitted. It consists of a series of staggered curved thin metal blades, and by adjusting the relative motion of these blades—either closing or expanding—the size of the central circular opening is modified, thereby precisely controlling the light transmission. This design is not only applied in the apertures of photographic equipment but also in a variety of window systems for automatic light regulation and in security systems that control light to protect sensitive equipment.