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UVcontactlenses

Dec 20, 2020 — On a video camera to increase brightness in camera you use video gain as a way to increase brightness, other than lighting and exposure, and ...

Lenses are used primarily to focus or diverge light, either as a single component or as part of a larger array.  Convex lenses focus light to a point, whereas concave lenses diverge light away from the source.  The focal length of any lens is dictated by its diameter, radius of curvature and the refractive index of the material.  Simply put, materials with a high refractive index such as germanium (n=4.0) or high index flint glasses allow a lens to achieve a specific shorter focal length with a smaller diameter than the same lens made with a material of low refractive index. Materials also transmit in different wavelengths.  Taking germanium as an example again, UV and visible wavelength are blocked making the material appear opaque, but it allows IR transmission. This makes it undesirable for systems where UV or visible ranges are required.

At Universe Optics, our line of Ultraviolet Quartz Lenses is designed for imaging in the deep UV spectrum. These UV Quartz lenses are optimized for 266nm wavelength.

UVlens glasses

We offer laser safety eyewear in a large range of filters and frames. Attenuation and reflection technologies are used for specifications.

Opticallenses

One of them, the objective, has a short focal length and is placed close to the object being examined. It is used to form a real image in the front focal plane of the second lens, the eyepiece or ocular. The eyepiece forms an enlarged virtual image that can…

Is designed to have pure white glass Infrared panels with clean lines and allows the heaters to be fitted into narrow spaces where room space is at a premium ...

It does this for several reasons: Absorption: UV light is highly absorbed by many commonly encountered organic materials, yet it is reflected by many inorganic materials like stone and metal. If these organic materials are on a surface with higher UV reflectance, the substances will often stand out more strongly than visible-light or near-IR images. The reverse is true as well – traces of inorganic materials like salt stand out as bright on a dark organic surface like a wooden table.

The optics of the microscope objective are defined by the focal length, N.A., and field of view. Objectives that have been corrected for aberrations are further defined by the wavelength requirements and the tube length of the microscope.

We have over 1600 different lenses in stock at our New York facility. Call us now for a Universe of optimal design solutions at 1-516-624-2444.

UV lenses utilize specific substrates, anti-reflection coatings, or a combination of the two to maintain performance when operating below 400nm. Many optical lenses that perform well in the ultraviolet may also have strong performance in the visible, near-infrared, or infrared spectra.

BlueGuardLenses

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Mystaire UV Light Box ... The Mystaire® line of UV light dead air boxes are designed to provide powerful UV irradiation energy to effectively kill bacteria and ...

ZEISS BlueGuardLenses

…object passes is called the objective lens. It should be noted that the light will be inverted at the focal plane. A second lens, referred to as the eyepiece lens, is placed behind the focal plane and enables the observer to view the enlarged, or magnified, image. Thus, the simplest…

Available from stock in 6,9,12, 25, 50, 78, and 105mm focal lengths, these precision lenses are well suited to forensic investigation and other UV and Infra-red imaging applications.

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Lack of penetration: UV light does not penetrate even very thin layers of materials. This makes surface topology more apparent, since normally, a translucent surface appears opaque. The high energy of the UV photons makes them interact strongly with the electrons in atoms and molecules. Many materials look very dark when imaged with UV light.

Ultraviolet lenses are used in many focusing, collimation, or laser applications that operate within the ultraviolet spectrum. They are optical lenses that consist of a single, or multiple elements that have been designed for optimal performance when used in ultraviolet light.

ZEISSlenses UVprotection

UVlens camera

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It is well known that UV light has properties that make it a very powerful investigative tool in the study of forensics, particularly because it makes many substances fluoresce. Less well known is the power of reflected-UV imaging to reveal hidden evidence.

ASTEL HDPE Pipes are ideal suited for ducts for underground laying of fiber optic cables. Current range of pipes are available in 40mm and 50mm ...

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In the world of optics, web searches are no substitute for our direct, comprehensive, customer-tailored application assistance. Visit our Contact page to have a qualified lens application engineer contact you for personal assistance.

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Highly scattered UV waves: UV light waves have a short wavelength, which means that they are scattered much more readily by small surface imperfections on a smooth surface than either visible or near-IR light. Scratches and dust are much more apparent, which is why the optics industry uses UV imaging to inspect lens surfaces, for example. Some of the texture imaging can be accomplished by raking-illuminated visible-light photography, though UV has advantages over raking light.