When choosing a binocular, aside from the obvious issues such as price, size, weight, water-proof or not, there is a jargon term you may find helpful to know about:It is called 'exit pupil' and this is the...
There are currently 5 categories of sunglass lenses in available Australia and all sunglass manufacturers are now required to label all sunglasses appropriately to inform the consumer how much UV and sun glare...