五鈴精工硝子 List of Products and Services

【Product Introduction: IHU250H】 The "IHU250H" is a glass that functions as an optical glass filter that transmits ultraviolet light while also being usable as a molding material. Its lower processing temperature compared to quartz and thermal expansion rate closer to that of metals make it suitable for metallization. For detailed optical properties, please refer to the downloadable materials. 【Features】 ■ Processing temperature range is lower than that of quartz (1600-1700℃) (IHU250H: 563℃) ■ Thermal expansion rate is closer to that of metals than quartz, making it suitable for metallization ■ Available for sale as molding materials such as block materials, rod materials, and ball lenses

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【Product Introduction: ILB Series】 The "ILB Series" color temperature conversion filters are blue filters that increase the color temperature of light sources. They are primarily used for adjusting the color temperature of light sources and for color temperature correction in photography. Additionally, by adjusting the thickness of the filter, it is possible to achieve color temperature conversion characteristics tailored to customer requirements. These filters are widely adopted in various fields, including optoelectronics, inspection equipment, imaging equipment, office automation equipment, and medical devices. 【Features】 ■ Blue filters that increase color temperature ■ Ideal for adjusting the color temperature of light sources and photography ■ Customizable characteristics through thickness adjustment

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【Product Introduction: ILA Series】 The "ILA Series" color temperature conversion filters are amber filters that lower color temperature. They are mainly used for reducing the color temperature of light sources and adjusting the color temperature of lighting for photography. Additionally, by adjusting the thickness of the filters, it is possible to achieve color temperature conversion characteristics tailored to customer requirements. The color temperature conversion "ILA Series" filters from Isuzu Seiko Glass are adopted in various fields, including optoelectronics, inspection equipment, imaging devices, office automation equipment, and medical devices. 【Features】 ■ Amber filters that lower color temperature ■ Used for reducing the color temperature of light sources and adjusting the color temperature of lighting for photography ■ Thickness adjustment is possible

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Product Introduction: ILB Series The "IVB Series" is a blue bandpass filter that primarily transmits light in the blue wavelength range. It is used for wavelength selection and color correction. It is utilized in fields such as medical devices and imaging equipment. Features ■ Primarily transmits light in the blue wavelength range ■ Blue bandpass filter ■ Used for wavelength selection and color correction

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【Product Introduction: IEB Series】 The "IEB Series" is a ultraviolet-blue transmission filter (blue filter) that primarily transmits light in the ultraviolet to blue wavelength range. It is used for wavelength selection and color correction. It is utilized in fields such as medical devices, inspection equipment, and imaging devices. 【Features】 ■ Transmits primarily in the ultraviolet to blue wavelength range ■ Ultraviolet-blue transmission filter ■ Used for wavelength selection and color correction

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Product Introduction: IIR-SF Series The "IIR-SF Series" is a glass filter primarily composed of sulfides, designed to transmit infrared light in the range of 8 to 13 μm. Thanks to glass molding technology, it can accommodate the manufacturing of complex shapes such as lens arrays and aspheric lenses. Additionally, it contains no harmful substances such as arsenic or selenium, ensuring consideration for the environment and safety. It is widely used in various fields, including infrared sensors, surveillance cameras, and night vision. Features ■ Glass filter primarily composed of sulfides ■ Transmits infrared light in the range of 8 to 13 μm ■ Capable of manufacturing lens arrays and aspheric lenses ■ Completely free of harmful substances such as arsenic and selenium ■ Accommodates complex shapes that cannot be formed by polishing, with mass production possible

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**Product Introduction: IVG Series** The "IVG Series" is an optical filter that transmits light in a relatively narrow band, centered around the green wavelength region. It is suitable for applications that require high transmission rates at specific wavelengths and is used for precise wavelength selection in combination with sharp cut filters. It is widely adopted in various fields such as optoelectronics, displays, video equipment, and inspection devices. **Features** - A filter that transmits wavelengths in a relatively narrow band centered around the green wavelength region - Maximizes transmission rates at specific wavelengths - Used for wavelength selection in combination with sharp cut filters

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【Product Introduction: IND Series】 The "IND Series" is a neutral density filter designed to maintain a constant spectral transmittance across the entire visible light spectrum. It allows for a reduction in light intensity when capturing images of intense light sources such as the sun, enabling the performance of cameras and sensors to be fully utilized. It is suitable for reducing the amount of light entering the camera when photographing strong light sources like the sun. Additionally, in astrophotography, such as during a solar eclipse, this filter allows for shooting with the aperture wide open or slowing down the shutter speed. It is widely adopted in various fields, including cameras, machine vision, and analytical instruments. 【Features】 ■ Flat spectral transmittance design across the entire visible light spectrum ■ Effectively adjusts light intensity during the capture of intense light sources ■ Enhances flexibility in shutter speed and aperture settings ■ Customizable density (optical density) according to application needs

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Product Introduction: IHU Series The "IHU Series" is an optical glass filter that has a transmission cutoff wavelength in the ultraviolet range and offers high weather resistance to ultraviolet light. It functions as a short-wavelength cut filter, absorbing light shorter than the set wavelength and transmitting light of longer wavelengths. There are also glass materials that can be molded using molds, allowing us to accommodate requests for lens arrays and aspheric lenses. It is used in various fields such as exposure devices, UV sterilization devices, and analytical instruments. Features ■ Capable of manufacturing lens arrays and other products with moldable glass materials ■ Has a transmission cutoff wavelength in the ultraviolet range ■ Excellent weather resistance, suitable for outdoor applications ■ Short-wavelength cut filter

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Product Introduction: IUV Series The "IUV Series" is a bandpass filter with a peak transmission rate in the ultraviolet range. It absorbs visible light and selectively transmits only specific wavelengths in the ultraviolet range. Additionally, it can be utilized as a neutral density filter and can be used during solar observations, such as during a solar eclipse. This series allows for the capture of images with a slightly reddish impression when viewed through the filter. It is widely adopted in various fields, including ultraviolet light meters and UV sensors. Features ■ Bandpass filter with a peak transmission rate in the ultraviolet range ■ Absorbs visible light and transmits only specific wavelengths of ultraviolet light ■ Usable as a neutral density filter for solar observations ■ Capable of capturing images with a reddish impression

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Product Introduction: IEC Series The "IEC Series" is a color correction filter that has a high transmittance in the blue to green wavelength range and features a steep spectral characteristic that efficiently absorbs red light. Leveraging this property, it is incorporated into smartphones, digital cameras, surveillance cameras, and automotive cameras, contributing to color correction in image sensors. It is widely adopted in various fields, including color correction for image sensors and laser protection. Features: ■ High transmittance in the blue to green wavelength range ■ Steep spectral characteristic that absorbs red light ■ Can also be used as a near-infrared cut filter ■ Ideal for color correction in image sensors

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【Product Introduction: ITY Series】 The "ITY Series" is a filter that has less dependence on the angle of incidence compared to multilayer membrane filters and minimizes the shift in ultraviolet cut-off wavelengths. It is adopted in various fields where protection from ultraviolet light is necessary, including image processing devices, liquid crystal panel protection, and camera equipment. 【Features】 ■ Less angle of incidence dependence compared to multilayer membrane filters ■ Minimizes the shift in ultraviolet cut-off wavelengths ■ Sharp cut characteristics with a steep rise ■ Effective in reducing chromatic aberration during camera shooting

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【Product Introduction: ISK Series】 The infrared absorption filter "ISK Series" is an optical glass filter designed to block almost all thermal rays (infrared) while allowing a high transmission rate of visible light. It is widely used in various fields such as laser protection glasses, heat-resistant filters, YAG laser blocking applications, and medical devices. 【Features】 ■ Almost completely blocks infrared (thermal) rays ■ Extremely high transmission rate for visible light ■ Available in ultraviolet transmission types, offering a wide range of applications ■ Numerous achievements in YAG laser blocking applications both domestically and internationally

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Product Introduction: Original Optical Glass Filter The optical glass filters from Gohsui Seiko Glass are original products manufactured through melting based on our unique composition. They comply with RoHS directives and REACH regulations. They are used in a wide range of fields, including optoelectronics, office automation equipment, photographic equipment, lighting fixtures, and medical devices. Features: ■ Designed with spectral functions inherent to the glass material itself ■ High-quality finish with minimal bubbles and striations due to strict quality control ■ Excellent physical and chemical stability ■ Customizable to desired shapes ■ Compliant with RoHS directives and REACH regulations, contributing to green procurement

• Plate glass and mirrors
• Glass mirror

Product Introduction: Glass Molded Lenses Glass molded lenses, created through die-casting molding, achieve complex shapes that are difficult to produce through polishing and lens structures that previously required assembly, all in a single molding process. Most products are fully customized according to customer requests, with flexible support from prototyping to mass production. In addition to the lens molding technology developed over many years, we utilize unique measurement and inspection techniques to provide high-precision products. We cater to a variety of shapes and specifications, including not only lens arrays but also aspherical lenses, Fresnel lenses, rod lenses, and irregularly shaped lenses. Features ■ Integrated glass lenses through molding ■ Achieves complex shapes and integrated structures, enabling shapes that are difficult to polish ■ Supports prototyping to mass production with full customization ■ Proven track record with various shapes including aspherical lenses, Fresnel lenses, rod lenses, and irregularly shaped lenses ■ Guarantees high quality with unique measurement and inspection technologies

• Plate glass and mirrors
• Glass mirror