What size Objective Lens to get?
– As explained above the second number in the example 7×50 is the size of the objective lens in mm. The larger the objective lens size, the more light sensitive the binoculars which can help in low light conditions, or where you have a very high magnification. (Higher magnification reduces the available light). One downside of a large objective lens is that the binoculars will be larger and bulkier. The largest objective lens binoculars are used for astronomy since they will need the most light gathering. What magnification should I get? – This depends on what you are viewing. Popular sizes are 7x and 8x for general use. Keep in mind that the higher the magnification, the less light will reach your eyes. The higher the magnification, the harder it will be to keep the image steady, and you must hold the binoculars very steady. The latest Image Stabilized binoculars will alleviate this problem as they compensate for any shaking you may do (Or shaking by where you are standing, such as a
