Dec 19, 2024 · Learn the key differences between 40mm and 50mm rifle scopes to help you choose the right option for your shooting needs and accuracy.

Nov 14, 2025 · Compare 40mm vs. 50mm objective lenses for hunting scopes and learn which is best for your shooting style. This guide breaks down brightness, low-light performance, weight, …

But while a 50mm allows about 55% more light through than a 40mm, the 40mm delivers a lower cost and better strength. They typically also weigh less, which is very important, especially if …

Mar 22, 2023 · The 50mm diameter lens for rifle scopes already provides a brighter image than the 40mm. But, the latter can still offer a better-aiming image if it is higher in quality than the …

In this quick informational guide, it's talk about the difference between 40mm and 50mm, and what does a bigger objective lens do as they're quite popular for modern riflescopes.

Jul 19, 2019 · Some hunters prefer the wider field of view of 50mm objective lenses. They also transmit more light during early morning and late evening, possibly giving a hunter a few extra …

Sep 26, 2023 · This is a common misconception that bigger objective lenses are brighter. To find the actual brightness, or light gathering ability of an optic, you need to divide the objective lens …

Oct 29, 2022 · There are pros and cons to using a 40mm vs 50mm scope, but we’ll concentrate on the major difference and things that matter when choosing between these objective lens …

Dec 30, 2024 · The core distinction lies in the objective lens diameter: 40mm versus 50mm. This seemingly small difference significantly impacts light gathering capabilities and field of view.

So, how do you know if 40mm or 50mm scope lens ideal for you? To find out, let’s do a brief comparison on both 40mm and 50mm lenses and breakdown their merits and demerits.