Apochromatic (APO) Lenses in Binoculars

Recently I have seen as well as reviewed and tested more and more top end binoculars that use Apochromatic lenses (APO) and whilst some manufacturers mention that their products have an APO optical system, very few (if any) go on to explain exactly what it is and what it does. So with this in mind […]


Extra Low Dispersion Glass (ED Glass)

In recent years we have seen a huge increase in the number of binoculars that use ED Glass (Extra Low Dispersion Glass) in their lenses. What used to be found only on a few of the very top-end “super” binoculars, is now quite common and is used on a whole range of binoculars, even fairly […]


How Different Configurations Affect a Binocular

10x42, 8x42, 8x32, 10x26… What is right for me? I often get asked questions in relation to the different configurations of a binocular and which one is the best for a particular use or uses. So I thought I would put this document together that goes through the major binocular configurations and explains each of […]