Astronomy, binocular, binoculars, coated, fully multi-coated, multi-coated, broadband, BaK4, BaK-4, BK7, BK-7, field, field of view, prisms, focusing, coatings, exit pupil, charts, object lists, finder charts, binocular books, tutorials, astrocrud, 2012, Hancock, Bauval, dos Santos, OCT, LC, lost civilisation, pyramid, pyramidiocy, pyramidiot, Duke, ley line, Silbury, Stonehenge, orrery, planetarium, Avebury, Walkers Hill, Marden, Winterbourne Bassett, henge, Casterley Camp, Belas Knap, Cotmarsh