Pollutant alert for binoculars For its test, Stiftung Warentest selected 17 binoculars from the top-selling price range and bought them anonymously in shops. From inexpensive binoculars from the supermarket to fast binoculars for bird watching even at dawn. 16 out of 17 binoculars in the test were heavily contaminated with pollutants, for which they received the grade "poor"...