What to look for choosing the lens of your binocular?
On binoculars, you will find out two types of objective lenses. The purpose of these lenses is to collect light from the object you have focused on. When the light is brought into focus, it creates visibility of the image on your eyes. With the help of the objective lens, the image of a certain distance comes to vision. A prism is used in binoculars which block the glass and works as a mirror. It creates an internal reflections to the object. You will get two types of the prism used in binoculars. These are the roof prism and Porro prism . Two prisms are used for completely different purpose in binoculars. If you're planning a safari adventure soon , you will need to know about the lens and focus of binoculars. The best binoculars have fully multi-coated lenses. Here I am discussing about the focus and lens features of a binocular. 1) Focus Type - when you are bird watching you need to be able to focus on birds that are close to you and birds that are a long dista