Best Binoculars For Birding - 50 to 70mm Lens Diameter

The main considerations when selecting binoculars are the level of magnification, the lens diameter, and the level of waterproofing. Binoculars with a big lens diameter enable the user to see in lower light conditions, but they are also bigger, heavier, and normally more expensive than other types of binoculars. Therefore, the best binoculars for you have to balance your portability, price, and optical capabilities’ needs.

The main considerations when selecting binoculars are the level of magnification, the lens diameter, and the level of waterproofing. Binoculars with a big lens diameter enable the user to see in lower light conditions, but they are also bigger, heavier, and normally more expensive than other types of binoculars. Therefore, the best binoculars for you have to balance your portability, price, and optical capabilities’ needs.

Binoculars for birding require magnification of 10x for professionals and 8x for beginners. 10x is harder to stabilize by hand. To keep the size small, choose an objective lens diameter of less than 50mm. Good 8x42 binoculars weigh about 1.5 pounds (0.7 kg), which is good for birding and on the heavy side for hiking.

Binoculars for birding require magnification of 10x for professionals and 8x for beginners. 10x is harder to stabilize by hand. To keep the size small, choose an objective lens diameter of less than 50mm. Good 8x42 binoculars weigh about 1.5 pounds (0.7 kg), which is good for birding and on the heavy side for hiking. Read More

Binoculars with an objective length diameter of 50 to 70mm are mostly recommended for stargazing with a relatively normal size and weight compared to telescopes and bigger binoculars. The 50mm is recommended for more versatile use (wildlife viewing and birding), while the 70mm is for observing deeper space objects.

Binoculars with an objective length diameter of 50 to 70mm are mostly recommended for stargazing with a relatively normal size and weight compared to telescopes and bigger binoculars. The 50mm is recommended for more versatile use (wildlife viewing and birding), while the 70mm is for observing deeper space objects. Read Less