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  • CIOE 2024 Optolong Booth #7E12

    CIOE 2024 11 – 13 Sep 2024 World Exhibition and Convention Center, Shenzhen, China Optolong will show live fluorescence filter sets and customized filters at the 25th China International Optoelectronic Exposition (CIOE), which will be held from September 11 to 13, 2024, at the Shenzhen World Exhibition and Convention Center. As a comprehensive exhibition covering …
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  • optical filter

    What are optical filters used for?

    Optical filters selectively transmit light in a particular range of wavelengths, enhancing image quality in photography, scientific research, and optical devices. …
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  • Fluorescence Microscopy Filters

    Fluorescence Microscopy Filters: What is It and How to Choose?

    Explore Fluorescence Microscopy Filters: Understand their crucial role and get tips on selecting the right filter for your scientific needs. …
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  • What Does a High Pass Filter Do

    What Does a High Pass Filter Do?

    In the field of optics, long-pass filters are also called high-pass filters(High-pass filter is a name that can express both electronic and optical spectra). Many users will use high-pass filters to represent optical long-pass filters. It can selectively pass light above a specific wavelength while blocking light with shorter wavelengths. This feature makes high-pass filters …
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  • What is an IR-cut filter

    What is an IR-cut filter? Definition and working principle

    The IR-cut filter is primarily used to block infrared light while allowing visible light to pass through, improving image clarity and color accuracy by preventing color distortion and overexposure. …
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  • Cy5 filter

    What Filters Can Be Used with Cy5?

    Cy5 filters are used in fluorescence microscopy and flow cytometry, suitable for the excitation and emission of Cy5 dyes, ensuring efficient signal detection and clear images. …
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  • Short Pass Filters

    Optolong’s 5 Short-Pass Filters: What Do They Do?

    Optolong’s short-pass filters facilitate countless applications by selectively blocking longer wavelengths and transmitting shorter wavelengths. These filters help enhance image contrast and clarity in photography, scientific research, and industrial imaging applications and are widely used in various fields such as biomedical imaging and machine vision. This article will detail the main features of 5 popular …
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  • Texas Red filter

    How does the Texas Red Filter Improve Fluorescence Imaging Contrast?

    Explore how the Texas Red Filter enhances contrast in fluorescence imaging, enabling clearer, more detailed cellular visualization. …
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  • DAPI Excitation and Emission

    What is DAPI Excitation and Emission in Fluorescence Microscopy?

    Explore DAPI’s key role in cell research: excitation at 358 nm and emission at 461 nm, crucial for DNA visualization in microscopy. …
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  • Optical Filters

    How to Choose Optical Filters for Microscopes?

    Choose optical filters for microscopes by matching filter wavelengths to your application, ensuring high transmission and blocking unwanted light, and confirming microscope compatibility. …
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