The opticron hr 80 ed45 angled spotting scope improves over previous models by offering sharper images particularly at higher magnifications and in difficult lighting conditions this is as a result of the extra low dispersion ed glass elements built to withstand extreme conditions the opticron hr 80 ed45 is a scope that is equally at home in the tropics or the polar regions with its fully waterproofed and hermetically sealed rubber armoured body this scope is also a perfect chioce for any