![]() For general birdwatching, lower magnifications such as 7x or 8x are recommended, especially if you also use a telescope.the heavier the binoculars are likely to be.the narrower the depth of field, requiring more frequent focusing.Generally speaking, the higher the magnification: Generally speaking, the lower the magnification: ![]() ![]() Specialist optical suppliers can offer personal solutions.įind out more about binocular performance factors to consider. Low magnification binoculars need less refocusing and offer greater steadiness stabilising binoculars work well but they are heavy and expensive. Trying out different models is particularly important. Coatings on lenses and prisms improve light transmission through the binocular and give a clearer image.įor disabled birdwatchers, the choice of binocular is dependent on the nature of the disability and personal preference. Waterproof binoculars are widely available, particularly in roof-prism style. Rubber covering offers better protection against knocks against the body (not against the lens). They are easy to hold but you may prefer a more solid shape for steady viewing. Their main disadvantage is reduced light-gathering power and field of view. Miniature 'compact' binoculars are useful if size and weight are important factors. Their internal focusing helps protect them from the elements.Ĭhoice of style is personal preference, but because of fashions, most of the high-quality binoculars today are roof-prism. ![]() They tend to be more compact than porro-prism binoculars and many people find them more comfortable to use. Roof-prisms are recognised by a straight-through appearance.Porro-prisms have a 'traditional', stepped shape with an angled body. ![]()
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