Eotech 558 - Holographic Sight
As many enthusiasts will know, when it comes down to robust and accurate holographic sights, EOTech is one of the top brands to be on the look out for. In 2014 EOTech recently released information on their brand new holographic sight; the EOTech 558.
With EOTech’s proud to announcement of the EOTECH 558 we can now experience a unique model that blends the advantages of the 512 model and its AA batteries along with the quick detach mounting base and the side buttons of the previous EXPS models. With the arrival of the brand new 558, will allow EOTech to streamline the production of their sights and will slowly begin to replace the 556, 553TAN, 553BLK, 516 and even the 517 models.
EOTech’s ingenuitive power solution.As always, the popular Michigan EOTech manufacturer enjoys to provide a new bespoke twist to all their sights and how they are powered; with the 558 running entirely off the typical and most common style of battery. The household AA battery.
It’s all about high quality.
Nevertheless, with many brands of AA battery, the lifespan and running time of the holographic sight depends entirely on the brand of battery and grade that you choose to use. Typically, lithium batteries can last up to an incredible 1,000 hours of continuous and constant use while set at a nominal setting per unit, while batteries such as alkaline, provide only 600 hours of continual use.
EOTech have their sights set on being user friendly.
Unsurprisingly this isn’t the first sight from EOTech that has been solely aimed to be incredibly user friendly as the 558 comes with a far easier-to-find power source. In recent times, EOTech had previously introduced its Laser Battery Cap, which would retrofits its older sights to run primarily off AA batteries.
The 558 is above and beyond previous models.
For the best part, the new EOTech 558 has many of the same features as the 518 model and both sights are nearly identical in both their weight and size respectively. The 558 also comes with a side-button functionality, and is compatible with most magnifiers and is featherweight at only 13.3 ounces.
A significant benefit and plus to the EOTech 558 Holographic sight is that it is set up to work with night-vision Generation I-III optics. The sight is also waterproof to approximately 33 feet, which is significantly more when compared to other sights such as the 518 which is only waterproof up until 10 feet. The 558 also comes with a 30 different brightness settings, whereas other models only come with 20.
The sight can be easily added or removed by the quick detach mount that is easily compatible with Mil-Spec Picatinny and Weaver rails. Just like many other EOTech sights that come with the popular quick detach mount, the sight’s units have been fashioned to be within 1 MOA when remounting after removal.As with most high-end and quality holographic sights you should expect to pay more than the typical or average budget sight. The 558 model is listed with an MSRP of $629 on the company’s website, nevertheless it can be found cheaper if you are prepared to do a little scouting.
5.5” x 2.2” x 2.8” (140 x 56 x 71 mm)
13.3oz (377 g)
Submersible to 33 ft. (10 m) depth
1” Weaver or MIL-STD-1913 rail
Return to Zero:
Repeatable to within 1 MOA after re-mounting
20 daylight settings
10 additional settings for Gen I through III+ night vision devices
Two 1.5 V AA batteries
Supports lithium, alkaline, or rechargeable
Lithium: 1,000 continuous hours at nominal setting 12
AA alkaline: 600 continuous hours
|Length:||5.6 in (142.3mm)|
|Width:||2.2 in (55.9mm)|
|Height:||2.9 in (73.7mm)|
|Weight:||13.8 oz (391.2g)|
|Mount:||1" Weaver or Mil-Std 1913 rail|
|Power Source:||AA (Alkaline or Lithium)|
|Brightness:||30 settings (10 for NV)|
|Water Resistance:||33 ft (10m)|
|Battery life:||Approx 1,000 continous hours (Lithium) or 600 hours (Alkaline) at nominal setting 12 at room temperature|
|Night vision compatible:||Gen I-III|
|Reticle option(s):||-0: 68 MOA ring with 1 MOA dot (558.A65)|
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