Request InfoOlympus Europa SE & Co. KGDesigned for multiphoton imaging, the XLPlan N 25× water-immersion objective unveiled by Olympus Life Science Europa GmbH has a numerical aperture of 1.05 and can be used for tissue samples with coverslips and for investigations, such as patch clamping, where the sample cannot be covered. Working distance is 2 mm, field of view is 27.5, and access angle is 35°. A correction collar compensates for refractive index mismatches, resulting in good axial and spatial resolution at hundreds of microns into living brain samples.See full productRelated content from Photonics MediaPRODUCTSBioPhotonics Jan/Feb 2024 IssueCarbon DotsThe line of carbon dots from Alfa Chemistry are carbon-based zero-dimensional material in water-soluble and oil-soluble form. 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