The Spirit ED series produced by Vanguard consists currently of four pair of binoculars with the following parameters: 8x36, 8x42, 10x42 and 10x50. All of them are rather small but very handy roof-prism devices featuring Schmidt-Pechan prisms.
shapely; slight and very solid casing; slight brightness loss on the edge of the field; sensibly-looking area near the exit pupils; properly darkened interior of the tubes; good quality prisms made of BaK-4 glass; sharp image already from a distance of 1.4 metres; lifetime warranty
weak transmission; average colour rendering; field of view narrower than in the specifications