High resolution single telescope $ 25.51 Prism system: Paul system Magnification: 8-40 Objective diameter: 40mm Eyepiece diameter: 21mm Lens coating: FMC broadband green film Prism material: bak4 Exit pupil distance: 12.5-9mm Focusing mode: objective lens rotation focusing Exit pupil diameter: 3.1-1.5mm Tripod interface: support video camera Product material: ABS plastic steel material
