Although a common misconception, individual optical lenses do not always form an image when the object plane is placed a focal length away from the lens.
Imaging biological materials can be extremely difficult. Masson's trichrome stain helps differentiate components of cells from their surrounding tissues.
Darkfield illumination is the opposite of brightfield illumination. Find out how darkfield differs from brightfield in optical microscopy at Edmund Optics.
Cinema lenses designed to create content tailored for online streaming utilize aspheres to shoot with a shallow depth of field while maintaining quality.
Are you trying to measure the performance of your lens? Although this can be a difficult task, there are curves that can help. Read more at Edmund Optics.
MTF curves allow you to compare the performance of multiple lenses at the same time. To find out how MTF curves are beneficial, read more at Edmund Optics.
Do you have a question about test targets? Find out how to choose the correct test target for your system along with application examples at Edmund Optics.
In order to understand vignetting, it is important to understand sensor sizes, formats, and roll-off and relative illumination. Find out more at Edmund Optics.
Testing laser induced damage threshold (LIDT) is not standardized, so understanding how your optics were tested is critical for predicting performance.
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