title: Dipping cone to correct optical distortions at liquid surfaces.
abstract: A dipping cone attachment for use with a long-working-distance objective is described. The device eliminates degradation of the microscope image which occurs when microelectrodes are applied to single muscle fibers in vitro.
mesh_terms: D000818:Animals; D008839:Microelectrodes; D008846:Micromanipulation / Q000295:instrumentation*; D008853:Microscopy / Q000295:instrumentation*; D009469:Neuromuscular Junction / Q000502:physiology; D009482:Neurophysiology / Q000295:instrumentation*; D013499:Surface Properties