Stop Looking. Start Seeing: A Beginner’s Guide to Choosing Your First Pair
So, you’ve decided to get closer to nature. Whether it’s a rare bird in your garden, a deer at the edge of the woods, or a ship on the horizon, the right pair of binoculars changes everything.
But if you’ve started shopping, you’ve likely seen a wall of numbers like 8x42, 10x25, and BaK-4. It looks like code. Let’s crack that code together.
1. The Numbers: What does 10x42 actually mean?
Every pair of binoculars has two numbers. Let’s take the Pursual Protobird 10x42 as an example.

- The First Number (10x): The Power. This is the magnification. An 10x pair makes an object look 10 times closer than it is with the naked eye.
- The Second Number (42): The Light. This is the diameter of the front lens in millimeters. The bigger the number, the more light it lets in, and the brighter your image will be—especially at dawn or dusk.
- The Beginner’s Rule of Thumb: > * 10x42 is the "Gold Standard." It’s bright, stable, and easy to use.
- 10x42 gives you more "reach" but can be slightly harder to keep steady if your hands shake.
2. Field of View: Why "Wider" is Better for Beginners
Imagine trying to find a tiny, moving bird through a drinking straw. That’s what a "narrow" field of view feels like.

For your first pair, you want a Wide Field of View. This makes it much easier to "locate" the bird or animal in the trees before it flies away. Our Forefront and Protobird series are specifically designed with a wide view to help you find your subject fast.
3. Glass Quality: Why some binoculars cost £50 and others £500
It all comes down to what’s inside. Cheap binoculars use plastic or low-grade glass that makes the image look "milky" or yellow.
At Pursual, we use BaK-4 Prisms as our baseline. It’s a high-density glass that ensures your image is a perfect circle and sharp from edge to edge. If you want the absolute "HD" experience, look for ED Glass (found in our Echobird), which removes that weird rainbow glowing you sometimes see around dark objects.
4. Portability vs. Performance
Where are you going?
- The Garden/Hide Birder: Weight doesn't matter as much as brightness. Go for a 42mm lens.
- The All-Day Hiker: Your neck will thank you for choosing a 32mm lens. It’s smaller and lighter but still packs enough punch for daytime viewing.
5. The "Spectacle" Test
If you wear glasses, you need to look at Eye Relief. You want a number of 15mm or higher. This allows you to twist down the eyecups and see the whole picture without taking your glasses off. All Pursual binoculars feature twist-up eyecups for this exact reason.

Which Pursual Binoculars are for you?
| If you are... | We Recommend... | Why? |
| Just starting in the garden | Forefront 10x42 | Simple, rugged, and great value. |
| A serious weekend hiker | Protobird 8x32 | Lightweight and crystal clear. |
| A dedicated wildlife watcher | Echobird 10x42 | Our best glass for total immersion. |
Ready to find your focus?
Choosing your first pair shouldn't be stressful. Remember, the best binoculars are the ones you actually have with you when that rare moment happens.
[Shop the Binocular Collection] | [Ask our UK Team a Question]





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