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You are here: Home / Archives for Gear / Binoculars / Technical

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.

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How to attach binoculars to a tripod – solved!

July 30, 2022

Got the binoculars, got the tripod – not sure how to put the two together? Check this info to make sure you buy the right binocular adapter >

FI use binoculars with or without glasses

Should I use binoculars and spotting scopes with or without glasses?

July 28, 2022

When birding we want the best view. So should you wear or remove glasses when using binoculars or a spotting scope? We weigh it up here >>>

FI eye relief

All about eye relief: choosing binoculars and spotting scopes for glasses wearers

July 28, 2022

Spectacles or sun glasses wearers need long eye relief when using binoculars or spotting scopes. Not sure what it is or why it counts? >>>

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What does exit pupil mean in binoculars?

July 27, 2022

Want to make sure you always see a bright, clear image through your binoculars? Choosing a pair with the right size exit pupil is crucial.

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When do I need to use a tripod with my birding binoculars?

July 27, 2022

Is it worth carrying a tripod along with your birding binoculars? We explain when and why mounting binoculars on a tripod is a good idea >>>

Featured image - man using binoculars in rain

Everything you need to know about using binoculars in the rain

July 13, 2022

Do you want to stop raindrops obscuring your lenses? We look at how to get the best view through your binoculars, even when it’s pouring.

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Adjusting new binoculars: how to set up and focus binoculars for bird watching

July 13, 2022

All about diopters and focus wheels: how to adjust binoculars to fit the width of your face and the tiny variations between each eye.

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Binoculars for dummies: the best way to use binoculars properly

July 13, 2022

The best way to hold and use binoculars may not be obvious. We address common queries so you can fully enjoy your bird watching experience.

Featured image binoculars shining in light

BaK-4 v BK-7: What is the best glass in binoculars?

December 6, 2021

Here we sum up of the pros and cons of BAK4 versus BK7 glass used in binoculars. Would you be able to tell the difference between them?

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What is ED (extra low dispersion) glass in bird watching binoculars?

December 6, 2021

Extra low dispersion glass and high definition glass – do both features need to be on your wish list for binoculars for bird watching?

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Why are prism and lens coatings important to birding binoculars?

December 6, 2021

Effective light transmission through the body of your binoculars results in a brighter image. How do prism and lens coatings achieve this?

Featured image Woman with umbrella by the sea

Do I need waterproof or fogproof binoculars?

December 6, 2021

Many affordable binoculars include waterproofing and fogproofing. What are the best features which extend the life of your binoculars?

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