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Binoculars for birding: Technical information

This section is a technical guide to the terminology and special features of binoculars for bird watching. Here we provide information on the terms you will hear, how binoculars work and special components that affect performance. Learn about the optical systems that make a good pair of binoculars, including terms like exit pupil, eye relief, magnification, field of view and more. We also offer guides to help you understand the technical aspects of using them for birding.

FI carry binoculars on plane

Can I carry binoculars on a plane?

April 14, 2024

Flying to a new destination for birding is fun. But how should binoculars travel to ensure they arrive safely? Your best strategy here >>>

Featured image - bird in garden

Binoculars vs spotting scope: which is better for birding?

February 24, 2023

Not sure if binoculars or spotting scopes are best for your style of birding? We’ll analyze the finer points of both to help you decide > > >

Featured image - bird perched on a hand

Hold steady: how to stabilize binoculars without shaking

January 14, 2023

Learn how to position your body in a relaxed but stable stance, and how to use objects in your environment to help you hold binoculars steady.

FI eye conditions

Astigmatism, near or far sight – using binoculars with eye conditions

August 22, 2022

In need of details on using binoculars with an eye condition? Here are guidelines on astigmatism, farsightedness and nearsightedness >>>

Featured image - binoculars

Maintenance and cleaning: how to care for binoculars

July 31, 2022

How can you maintain your binoculars and ensure they are always at their best? This is a complete guide on how to care for your binoculars.

Featured image - binoculars

Porro prism vs roof prism binoculars: which is better for birding?

July 31, 2022

We look at the two main classes of binoculars to weigh up their advantages and disadvantages when used for bird watching.

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