There are a few key differences between the Eotech 558 and the Eotech EXPS3. The 558 is a full-sized sight, while the EXPS3 is a compact sight. The 558 has a single transverse 123 battery to power the sight, while the EXPS3 has a top-mounted battery compartment that can hold two AA batteries.
The 558 has a slightly longer battery life than the EXPS3, but the EXPS3’s batteries are easier to find and replace. The 558 has a slightly wider field of view than the EXPS3, but the EXPS3 has a slightly higher magnification.
Overall, the two sights are very similar, but the 558 is the better choice for most users.
Difference Between Eotech 558 vs Eotech EXPS3
Magnification & Reticle
The Eotech 558 and Eotech EXPS3 both feature a 1x magnification and a reticle that is a 65 MOA circle with a 1 MOA center dot. This reticle allows for fast target acquisition and accurate placement of shots. The 558 also features an additional 3x magnification setting, allowing for more precise shots at longer distances.
The EXPS3 features a 7mm raised base which allows for the use of iron sights in conjunction with the optic. Both optics are powered by a single 123 lithium battery and have a total battery life of up to 600 hours at nominal setting.
Battery Life & Power Source
The Eotech 558 is powered by two AA batteries, providing up to 600 hours of continuous operation. It has an auto-shutoff feature that will turn the optic off after 2 hours of inactivity. The Eotech EXPS3 is powered by a single CR123 battery, providing up to 600 hours of continuous operation.
It also has an auto-shutoff feature that will turn the optic off after 4 hours of inactivity. Both optics feature an adjustable brightness setting that allows you to customize the brightness level to your preference.
Brightness & Adjustment Settings
The Eotech 558 and the Eotech EXPS3 are both holographic weapon sights that provide a high level of accuracy and precision while aiming. Both sights have adjustable brightness settings to allow the shooter to customize the intensity of the reticle.
The Eotech 558 has 10 brightness settings that can be adjusted with the push of a button. This allows the shooter to quickly and easily adjust the brightness of the reticle for any lighting conditions. The EXPS3 has 20 brightness settings that can be adjusted with a dial. This allows the shooter to fine-tune the reticle brightness for any lighting conditions.
Both sights also have an auto-brightness setting that automatically adjusts the reticle brightness based on the ambient light level. This allows the shooter to quickly and easily adjust the reticle brightness without having to manually adjust the settings.
The Eotech 558 and the EXPS3 both provide the shooter with a high level of accuracy and precision when aiming. The adjustable brightness settings allow the shooter to customize the intensity of the reticle for any lighting conditions. This ensures that the shooter can quickly and easily adjust the reticle brightness to achieve the best results.
Mounting & Compatibility
The Eotech 558 and the Eotech EXPS3 are both designed to be mounted on a Picatinny rail. The Eotech 558 has an adjustable, quick-detach lever which allows it to be quickly removed from the rail and replaced. The Eotech EXPS3 features a locking, quick-detach lever which allows it to be securely mounted to the rail and provides a more secure hold.
Both optics are designed to be compatible with most AR-15 and M4 style rifles. They are also compatible with many other firearms that feature a Picatinny rail. Additionally, the Eotech 558 is compatible with most night vision devices, while the Eotech EXPS3 is not.
Durability & Water Resistance
The Eotech 558 and Eotech EXPS3 are both highly durable and water resistant. The 558 is made from high-grade aluminum alloy and is designed to withstand harsh environments and heavy use. It is also designed to be waterproof up to 10 feet for 30 minutes.
The EXPS3 is made from a rugged aluminum housing and is designed to be waterproof up to 33 feet for 30 minutes. Both are designed to be shockproof and are rated to handle up to 1000 Gs of force. Both optics are also designed to be fogproof, ensuring clear visibility in all weather conditions.
Frequently Asked Questions
1. What are the main differences between the Eotech 558 and the Eotech EXPS3?
1. The main differences between the Eotech 558 and the Eotech EXPS3 are:
• The Eotech 558 has a larger field of view (68 MOA) compared to the Eotech EXPS3 (30 MOA).
• The Eotech 558 has a longer battery life (1000 hours) compared to the Eotech EXPS3 (600 hours).
• The Eotech 558 has a larger window size (1.2” x 0.85”) compared to the Eotech EXPS3 (1.2” x 0.8”).
• The Eotech 558 has a larger reticle size (2 MOA) compared to the Eotech EXPS3 (1 MOA).
• The Eotech 558 is heavier (11.2 ounces) compared to the Eotech EXPS3 (8.8 ounces).
2. What type of batteries does the Eotech 558 and the Eotech EXPS3 use?
The Eotech 558 and the Eotech EXPS3 both use two 1.5V AA batteries.
3. How long does the battery life last for the Eotech 558 and the Eotech EXPS3?
The battery life of the Eotech 558 is approximately 1,000 hours with a single AA battery. The battery life of the Eotech EXPS3 is approximately 600 hours with a single CR123 battery.
Final Word for Eotech 558 and Eotech EXPS3
The Eotech 558 and Eotech EXPS3 are two of the most popular red dot sights on the market. They are both well made and offer a lot of features for the money. The Eotech 558 is a little more expensive, but it offers a slightly better field of view and is a bit more rugged. The Eotech EXPS3 is a bit lighter and has a slightly longer battery life.
Hey, This is Ebert Alberts. I’m the sole writer and creator of all the content you’ll find on this site. I’ve been passionate about shooting with scopes, red dot sights, and all kinds of gun optics for years now. And during that time, I’ve learned a lot – often the hard way. I’ve wasted thousands of dollars on scopes that turned out to be duds, and I’ve also found some real gems along the way.