The Barr & Stroud Sahara 10x25 is a compact binoculars that you can easily put in your pocket or bag. So you are always ready for action when a rare bird is flying around in your neighborhood. Thanks to the magnification factor of 10, you view subjects with a detail as if you were standing right next to them. If that is true, you still have a sharp image through the short close-focus. You adjust the distance of your eyes to the viewer with the adjustable eye caps. So you always find a pleasant viewing position, even if you wear glasses. Take the viewer outside without any worries, because the housing is waterproof and can withstand the impact of the rubber coating.