BT-82 SF binocular telescope with LER 62-degree 20 mm eyepieces for observing the night sky and terrestrial objects. Always present on every outing. Objective diameter of 82 mm Obs…

BT-100 SF binocular telescope with LER 62° 20 mm eyepieces for observing the celestial vault and terrestrial objects. 100 mm diameter objective Observation of the celestial vault a…

BT-70 SF binocular telescope with LER 62-degree 20 mm eyepieces for observing the night sky and terrestrial objects. Always present on every outing. 70 mm diameter objective Observ…