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Knowledge Hub


Explore our comprehensive collection of technical information that provides valuable guidance and expertise to drive your projects and initiatives. Whether you're looking for in-depth analysis, practical tutorials, or expert perspectives, our Knowledge Hub is your gateway to unlocking the knowledge you need to succeed. Learn about a wide range of topics related to lenses, optical filters, optical systems and cutting-edge technology. From understanding the intricacies of lens design to delving into the latest advances in optical engineering. Please use the search bar below to find topics and more information.

01.03.2024 | Technology

Using Different Illumination Sources? Get ready to Change Your Lens Focus


The human eye perceives wavelengths between 0.400 μm (blue) and 0.700 μm (red) as white light. Standard lenses are optimized for white light, but issues can arise with non-white light sources in digital camera-based vision systems. Defining lighting requirements early is crucial. A case example using a 75 mm f/3.0 lens is discussed, focusing on selecting wavelengths and achieving desired modulation transfer function (MTF) values.

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09.09.2023 | General

Manufacturing dates of our lenses


The following chart is intended to help you establish the age of your Schneider-Kreuznach lens. Simply locate your lens's serial number in the chart below, and you can find out approximately how old it is.

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09.09.2023 | General

Modulation Transfer Function (MTF)


The modulation transfer function (MTF) is a parameter for assessing the performance of a lens. Find out how it works.

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09.09.2023 | Filters

Characteristics of optical filters


Optical filters make it possible to control the effect of different types of light on the sensor. These filters are defined by their characteristic filter curve, which shows how much light they transmit or absorb. By understanding this curve, photographers can better adjust light sources and sensors to achieve the desired effects.

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