Posts belonging to Category 'Binocular Buyers Guides'

How The Exit Pupil Affects Brightness in Binoculars

Understanding the Relationship Between Lens Size, Magnification & Low-Light Visibility In this article, I wanted to briefly go over the main points about the exit pupils on binoculars and just how their size affects the perceived image brightness in different light conditions. For a more in-depth version, you can also look at my complete guide […]


What Does Binocular Size Mean?

When explaining the basics of binoculars to someone, be it in person or writing here on BBR, one of the first things I’ll mention is the size of binoculars. Experienced users will immediately know what I mean, but it occurred to me that as a beginner, the exact meaning of Binocular Size might not be […]


7x50 vs 8x56 Binoculars for Astronomy & Daytime Surveillance

Which is Best? Part of the BBR BinoWars Series, in this article I take an in-depth look at the main differences between 7x50 vs 8x56 Binoculars with examples, full reviews and recommendations to help you choose the best binocular for your particular needs, be that for astronomy at night or daytime surveillance uses like wildlife […]


8x42 vs 8x56 Binoculars

After recently completing several reviews of 8x56 binoculars, and as a long-time owner of the Steiner Nighthunter 8x56 (known as the Steiner Shadowquest in North America), one of my all-time favourite instruments. I thought it would be worthwhile to take a closer look at how this larger objective lens size compares to the more common […]


Amazon Prime Day 2024 Prep: How to Get Deals on Top-Rated Binoculars Before & On Prime Day

Amazon Prime Day for 2024 has been announced and it is happening very soon! It’s a two-day event running from July 16th to 17th, 2024. However, you don’t have to wait until then to snag some great deals on binoculars. If you do decide to wait for the Prime Day rush, I also have some […]


The Field Stop: A Behind-the-Scenes Look at Binocular Field of View

The field of view (FOV) you experience is a crucial factor, determining how much of the scene is visible. But what dictates the exact boundaries of this view? Enter the field stop, a hidden gatekeeper within the eyepiece that plays a critical role in shaping your binocular experience.


Anti-Reflection Lens Coatings on Binoculars

Why are Lens Coatings Used? Imagine walking through a thick forest. Sunlight struggles to penetrate the dense foliage, making it difficult to see. Similarly, light encountering and then trying to pass through a series of lenses in binoculars encounters obstacles. Here’s what happens: Reflection: When light strikes an air-to-glass surface, a portion of it is […]


How Binoculars Work

Whilst you don’t need to become an expert, I always find that I am able to get the most out of something if I have at least a basic understanding of how it functions. So how do binoculars work? In this comprehensive guide, I will go over the science behind how the optics in a […]


Apochromatic (APO) Lenses in Binoculars

Recently I have seen as well as reviewed and tested more and more top end binoculars that use Apochromatic lenses (APO) and whilst some manufacturers mention that their products have an APO optical system, very few (if any) go on to explain exactly what it is and what it does. So with this in mind […]


ED vs HD Binoculars – What’s the Difference?

As I am sure this will be of use to many who are looking at buying binoculars and trying to sift through all the marketing jargon Here is my answer to a question sent in by a long time BBR Patron Supporter Warren: Question: What does HD mean on binoculars & is it different to […]