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Ophthalmic Lenses - Manufacturer and Exporter CORNING Mineral lenses - PGX, PBX, White in Single Vision, Flat-top Bifocals and Progressives Cr39 1.56 / 1.60 index Finished and SF Lenses with Blue UV Protection PC 1.59 Index Lenses - Finished with Blue UV Protection
optical lens index:1.49/1.56/1.596/1.61/1.67/1.74 technology:UC/HC/HMC/HMC+EMI Green/blue/golden/pink Water-proof/anti-scratched/anti-reflactive/uv400/420 protection. material:cr39/mr-7/mr-8/polycarbonate
The Powell Lens can be widely used in alignment, machine vision systems, construction and process control fields. Worldhawk are professional supplier for powell lens, in fact, we have already become the one of the main important suppliers of powell lenses in China. cooperation with us , you will get high quality products with reasonable price and products performance at the same time These Laser Line Generator Lenses, also known as Powell lenses, generate a straight, uniform laser line by fanning out a collimated beam in one dimension, as shown in the diagram above. The apex of each lens features an aspheric curve that evenly distributes the optical power, resulting in an intensity variation of less than 25% over the center portion of the line. You will get more even energy distribution along the laser line than using the rod lenses and lenses.
Powell Laser Line Generator Lenses These Laser Line Generator Lenses, also known as Powell lenses, generate a straight, uniform laser line by fanning out a collimated beam in one dimension, as shown in the diagram above. The apex of each lens features an aspheric curve that evenly distributes the optical power, resulting in an intensity variation of less than 25% over the center portion of the line. You will get more even energy distribution along the laser line than using the rod lenses and lenses. Powell lens are available with output fan angles of 5°--130°. They are designed for use at 405-900 nm with an input beam diameter of 0.8 -5.0mm (1/e2). Rectangular input beam can be customized for powell lens. The Powell Lens can be widely used in alignment, machine vision systems, construction and process control fields.
Diameter :14.0-14.5mm B C :8.6-8.7mm
customization of products: Led Lenses/Optical Polymer/Optics/Plastics part/moulding/reflector/Aspheric lens/Holder. Tooling and moulding with raw material PMMA/ PC. A strong R&D team and 5000 workplant.
Sonoscape Brand C344 Convex Probe For Sale.(fully Refurbished Equipment)
Convert Your Smartphone Camera Into A Professional Camera Camera Lens : With the help of this HD 8X Telescope Lens, you can take pictures in high resolution and HD quality with an 8X zooming facility. Tap HD for Long Range Photos! It increases your camera view for your mobile phone by 8 times. HD Shots : Vibrant color reproduction Crisp Clear HD shots. In this lens, you can get photos without any black corners, unlike other lenses. A modern style lens for video or picture capturing with long vision. Portable : Perfect for game watching, festivals, entertainment, animal lovers, long-distance news video shooting, The Lens Comes With Manual Focus. Universal compatibility : You can use this HD 8X Telescope Lens for any smartphone. HD 8X Telescope Lens with Wide Angle, DSLR Blur Background Effect is developed and designed for HD quality pictures and backgrounds. [ IMPORTANT NOTE ] : 8X Zoom Telescope Universal Camera Lens With Tripod has been specifically designed & made High Premium Quality Exactly as seen in the picture.
#Ophthalmic Lenses (KOC55) (SV HC & SV HMC Power Range -'-4.00 SPH to +4.00 SPH/-2.00 CYL)
CLIFDEN VISION PVT LTD IS A KOREAN BASED COMPANY. We are focusing to our customers satisfaction, comfortable by creative colors and design with innovative skills. We are using worldâ??s best fully automated production systems (Cast molding) and automatic systems for color printing contact lenses. We have Combination of talented person with experience, technology, growth into global company. We involves in mainly doing research and development, production, marketing, trading, ODM & OEM of cosmetic contact lens. we are growing as international company in global market through acquired certifications such as FDA, CE, ISO several patents of manufacturing skills. We do best to give top priority to satisfaction to customers through our vision in a global market.
Infrared window detection viewpoint window The infrared windows are the optical devices that pervious to the ultraviolet, visible light and infrared light. They are installed on the electrical cabinet, join with infrared thermal imager, will provide the continuous non-destructive detection for the internal equipment in electrical cabinet. Product Description Main features: Audio-Visual: 0.15�¼m -15�¼m transmission range is suitable for all range of infrared thermal imager, infrared thermometer and ultraviolet thermal imager. Safe: prevent from the detriment under the atrocious working conditions such as electromagnetic radiation, high voltage or high temperature. Make the thermometric components work under the high temperature in electrical cabinet without interrupt the power supply. Speedy: only few minutes for mounting or adapting, plug and play. Economical: take the temperature without cutting off the power, interrupting the production or the equipment operation, which saves the expanse. Needs NO special maintenance. Application Range: Medium/High Voltage switchgear, Metal switchgear,City ring network switchgear; Motor junction box of fan, pump, coal grinder etc. in power plant. Transformer junction box GIS high voltage equipment Control center of Motors Other situations of which need the infrared detection in hermitic environment. Advantages: Arc Flash Tolerance Multispectral, Infrared light Moisture Resistance Transparent Image fusion technology overall thermometric test, wide range
The Powell lens has an advantage over cylindrical lenses because later one produces a poorly illuminated line, limited by the non-uniform Gaussian laser beam. Huge spherical aberration redistribute light along the line, decreasing the light in the central area while increasing the light intensity at the lineâ??s end. The outcome is uniformly illuminated line used in all manner of machine vision applications.
1.ZnSe laser focus lenses Widely Used for laser processing,such as cutting,drilling, Welding sculpture,and kinds of laser cutter system. 2.Can Endure High power density,stable coating,Wipe-resistant,two-sided anti-reflecting film, location of 10.6�¼mâ?¥99.5% 3.Optimum design from diffraction and aberration,A series of products have been developed to minimize the diameter of actual focusing spot under the same focal length. Material: ZnSe From China Coating band: 10.6�¼m Diameter Toleranceï¼?+0/-0.13mm Thickness Tolerance ±0.25mm Focus length Tolerance
*Material:Bk7,fused silica,CaF2,MgF2,BaF2,ZnSe infrared optical crystals. *Focal�length:+/-1% *Length�tolerance:+0.0 - -0.1mm *Width�tolerance:+0.0 - -0.1mm *Center�thickness�tolerance:+/-0.1mm *Surface�Figure:lambda/2 at 633nm on plano side *Surface�quality:60-40�stratch/dig *Clear�Apenture>90% *Chamfer:0.25mm at 45 degree typical *Coating:optional.
Contrary to popular belief, a super telephoto does not have to be a massive lens, proven here with the Nikon AF-S NIKKOR 500mm f/5.6E PF ED VR. Taking exceptionally long reach and giving it a hand-holdable form factor, this 500mm prime utilizes a unique Phase Fresnel element to greatly reduce the size and weight compared to previous versions of the focal length. This PF element, along with three extra-low dispersion elements, also helps to virtually eliminate color fringing and chromatic aberrations in order to achieve a high degree of clarity, sharpness, and color fidelity. Complementing this advanced optical design, individual elements also feature both Nano Crystal and Super Integrated Coatings to suppress flare and ghosting, as well as a protective fluorine coating to guard the optical system from dust and moisture.
Spanning a long, versatile zoom range, the AF-S NIKKOR 200-500mm f/5.6E ED VR Lens from Nikon is a telephoto zoom characterized by a constant f/5.6 maximum aperture for consistent performance throughout the zoom range. The optical design incorporates three extra-low dispersion glass elements to reduce chromatic aberrations and distortions for increased sharpness and color accuracy. Also contributing to improved image quality, a Super Integrated Coating has been applied to lens elements to lessen flare and ghosting for improved contrast and clarity. A Silent Wave Motor AF system produces fast, near-silent focusing performance that suits both stills shooting and movie recording, which can instantly be manually overridden by simply turning the manual focus ring. Further contributing to photographing in fast-paced situations and difficult lighting, VR (Vibration Reduction) image stabilization compensates for the effects of camera shake by up to 4.5 shutter speed stops. Additionally, an electromagnetic aperture mechanism is integrated into the lens design to provide greater exposure control stability that is especially beneficial when working with faster continuous shooting rates.
A truly versatile wide-angle zoom featuring an advanced optical design and constant f/4 maximum aperture, the Canon EF 11-24mm f/4L USM Lens is a member of the esteemed L-series of lenses designed for full-frame EOS DSLRs. One Super UD element and one UD element offer a significant reduction in chromatic aberrations while four aspherical elements help to minimize distortions throughout the zoom range and provide consistent edge-to-edge sharpness and illumination. Both SWC and ASC coatings have been applied to the elements in order to reduce lens flare and ghosting for increased contrast and color accuracy. Ideally suited for landscape and architectural photography, this lens covers ultra-wide to wide-angle perspectives and backs up its versatile zoom range with sophisticated optical components and intuitive handling.
Standard form lenses are mounted in moulded ABS rims having the power printed at two different places for easy identification. The rims are colour coded and you can either have the Cylindrical lenses with or without handles. Composition: Spheres 32 pairs each of Plus and Minus Cylinders 20 pairs each of Plus and Minus Prism 6 Pcs. Accs. 6 Pcs. Trial Set "PN" is supplied with the lenses fitted in wooden tray and flat top Wooden Carrying Case.
Accurate 24.0 mm diameter lenses of Meniscus or standard form with light weight aluminium rims of 38.0mm. All rims are engraved with power in two places for easy identity. Composition Spheres 32 pairs each of Plus and Minus Cylinders 19 pairs each of Plus and Minus Prism 10 Pcs. Accs. 7 Pcs. Beta 25H Meniscus is supplied with Meniscus corrected curve lenses, fitted in wooden tray. Beta 25H "R" is supplied with standard form lenses, ABS moulded tray in Leatherette Carrying Case.
