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2023-02

Do UV Longpass Filters filter ultraviolet rays

UV Longpass Filters, as the name implies, are used to block ultraviolet rays. UV Longpass Filters refers to filters that are not exposed to ultraviolet light. Some people also call it a defog filter.

Feb 01,2023

Do UV Longpass Filters filter ultraviolet rays

2022-05

UV Longpass Filters Manufacturer's Choice

manufacturers with deep qualifications are worth choosing. With the continuous development of science and technology, UV Longpass Filters have been used in many different fields and exert its superior value, so many manufacturers hope that the UV Longpass Filters produced by themselves can be sold to a wider market, able to make money. Everyone who chooses UV Longpass Filters will find that the qualifications and strengths of major manufacturers are different.

May 24,2022

UV Longpass Filters Manufacturer's Choice

2022-05

Cleaning of UV Longpass Filters Surfaces

All UV Longpass Filters are precision optics and should be handled with as much care as possible without touching the surface. If the surface of UV Longpass Filters is stained due to long-term use, it is recommended to clean it according to the following methods:

May 20,2022

Cleaning of UV Longpass Filters Surfaces

2022-05

How do spots or streaks in the UV Longpass Filters come about

UV Longpass Filters speckle or speckle definition and description: Viewed from the non-coated surface, there are irregular color speckle or speckle surface defects on the coated UV Longpass Filters. Generally, there are mildew, paper grain, suction cup printing, tin dipping and watermark on the original film.

May 16,2022

How do spots or streaks in the UV Longpass Filters come about

2022-05

The influence of the film quality of the filter on the UV Longpass Filters

The level of filling density of the film layer of the filter that is used frequently will not only affect the optical performance of the UV Longpass Filters, especially the environmental stability of the optical performance of the filter, but also affect the mechanical properties of the filter film, especially the filter.

May 09,2022

The influence of the film quality of the filter on the UV Longpass Filters

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