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AboutShijiazhuang Zeyuan Optics Co., Ltd. was founded in 1989. We are professional manufacturer integrating colored glass melting and optical filters producing.
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ProductsOur main products include heat absorbing filters, neodymium filter glass, rising color temperature glass, IR optical glass, UV pass optical filter glass, colored optical filters, neutral density filters, bandpass filters...
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BlogsOver the past thirty years since its establishment, our company has always adhered to the entrepreneurial spirit of proactive, innovative, perseverance to provide high-quality products and perfect services to many customers in domestic and abroad.
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ContactShijiazhuang Zeyuan Optics Co., Ltd. was founded in 1989. We are professional manufacturer integrating colored glass melting and optical filters producing.
Do you know the functions of UV Longpass Filters products
UV Longpass Filters products are glass filters that fit in front of the camera lens and block UV rays. They were once necessary for film photography, but are now used by most photographers to protect their lenses.
UV Longpass Filters products block UV rays as they enter the lens. Think of it like sunscreen for your camera. Some old photographic films are very sensitive to UV rays, so if you don't use UV Longpass Filters products, your photos will end up with a blue haze. This is especially common if you're shooting somewhere with a lot of UV rays, like on a sunny day or at high altitudes.
The problem is, modern film and digital sensors are not sensitive to UV light. It doesn't affect them like it does with older movies. This means you don't need UV Longpass Filters products to block UV rays to take good photos. However, that didn't stop the UV filter from being used a second time as a protective filter for the lens.
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OPTICAL LENS EXPERT
We truly realize one-stop service from raw material melting to end product production, and provide customers with a full range of technical solutions.
CONTACTEZ-NOUS
Tel/WhatsApp: +86-13722872933
Email: zyoptics@zygx.cn
Add: Xiqiaotou Industrial Area, Shenze County, Shijiazhuang, Hebei, China
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