Request InfoCargille-Sacher LaboratoriesCargille Laboratories designed its immersion oil type 37DF to provide optical values at 37 °C for a sharp image. Immersion oil standardized for room temperature at 23 °C may cause a decrease in resolution when used at 37 °C because critical optical values of the oil change with temperature. The 37DF, as does the DF at 23 °C, offers very low background fluorescence, making it suitable for fluorescence microscopy applications. The oil is available in 1-, 4- and 16-oz bottles.See full productRelated content from Photonics MediaPRODUCTSPromoted Content May 2022 IssueNew Wavelengths: 473 nm, 607 nm, 698 nmOxxius’ LaserBoxx family of DPSS laser / laser diode modules offers new wavelengths not readily available to the market: 473 nm (SLM) @ 50 mW, 607 nm @ 200 mW, and 698 nm @ 100 mW. 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