BAK-4 prisms with phase and dielectric coatings: increased light permeability by the prism system for lighter images. Increased contrast and resolution. Magnesium alloy housing: Light, durable frame that lasts for a lifetime and enables use in the field. 2m near focus: Detailed observation of the motif up close completely multiple coated optics: delivers razor -sharp, contrasting images with precise color rendering. Broad field of vision. Metal-twist-up eye mussels with several stops: durable eye mussels with several stops for correct positioning. Connection for tripod adapters
