The G380 combines state of the art design and features with the latest optical coating technologies for crisp, clear imaging on a versatile and ergonomic platform. All models in the G380 series feature "High-Eye point" 10x wide field eyepieces. This unique design allows users wearing glasses to comfortably view through the scope without removing their glasses as they would have to with traditional eyepieces. Available with your choice of Monocular, Dual-View, Binocular or Trinocular heads, all of which rotate 360. Select from standard Achromatic, Semi-Plan, or flat-field plan achromatic objectives. All models have 30 head angles. Includes a port to allow insertion of a Phase Annulus for Phase microscopy.. Includes a port to allow insertion of a Phase Annulus for Phase microscopy. All models have 30 head angles. Optical coating technologies for crisp. . . UNICO G380-3004 Siedentop Binocular Head for G380 Series Microscope. G380-3004. Country of Origin : United States.