Best Monoculars For Stargazing - 50 or Above Lens Diameter

The main consideration when selecting a monocular are the magnification level and objective lens diameter, which determine the optical capabilities of the monocular. The bigger the objective lens diameters, the better the image quality and the heavier the monocular may get. Waterproofing and night vision (thermal or infrared) are also important factors to consider when selecting a monocular.

The main consideration when selecting a monocular are the magnification level and objective lens diameter, which determine the optical capabilities of the monocular. The bigger the objective lens diameters, the better the image quality and the heavier the monocular may get. Waterproofing and night vision (thermal or infrared) are also important factors to consider when selecting a monocular.

A monocular with an objective length diameter of 50mm or greater enables a great image for wildlife viewing and safaris. From a size perspective, a 50mm monocular is on the top end of the monocular range and still has good portability.

A monocular with an objective length diameter of 50mm or greater enables a great image for wildlife viewing and safaris. From a size perspective, a 50mm monocular is on the top end of the monocular range and still has good portability. Read More

Monoculars for stargazing require magnification of at least 10x and at least an objective lens diameter of at least 42mm to make sure enough light is captured, but it can be too heavy for hand operation. A good 10x42 monocular weighs about 1.5 lbs. (0.7 kg), which may require a tripod for stabilization.

Monoculars for stargazing require magnification of at least 10x and at least an objective lens diameter of at least 42mm to make sure enough light is captured, but it can be too heavy for hand operation. A good 10x42 monocular weighs about 1.5 lbs. (0.7 kg), which may require a tripod for stabilization. Read Less