Vanguard binoculars represent excellent value yet perform beyond their price point the advanced ed coated glass achieves levels of brightness colour accuracy and sharpness only matched by more expensive binoculars these excellent bird watching binoculars are also suitable for a wide range of viewing applications rr magnification 8 x r objective diameter 42mmr prisms bak4 roof r waterproof max depth 1 metrer viewing angle 70 degreesr field of view 122m at 1000mr close focus 2