The Special Zoomar binoculars offer fascinating sharp images. The individual eyepieces are carefully turned to each other, making the magnification variable through the use of the zoom lever. Thanks to the FMC coated BaK-4 glas material, objects at great distance can still be seen as clear images. The handy and ergonimic rubber covering provides for a stable hold. The standard tripod thread and adapter provided, make it simple to attacvh these binoculars to any photo-tripod.