How I Test Scopes

Hi, I am Jerry Miculek. I write all the content for this website, which is all about bringing the best rifle scope reviews on the internet. I review every scope through the same series of tests, and then I decide whether to recommend it.

Here’s what that process looks like:

  • I evaluate the packaging. I don’t care what it looks like, but I want to make sure the scope wasn’t damaged during shipping. If it was, I would send it back and ask for a replacement.
  • I read the manual. Nine times out of ten, there are no surprises, but it’s important to know if there are any extra or non-standard features.
  • I visually inspect the scope to ensure that it’s in good condition and that it matches any promotional images I’ve seen.
  • I mount the scope and then see how many rounds I have to fire to zero in.
  • I try the scope at different ranges, both to check the elevation hashes and to see if the MOA or MRAD number on the dials is accurate.
  • I smack the rifle butt on the ground a few times, then test the scope again to see if it’s drifted.

During these tests, I evaluate the following attributes:

Glass Clarity

Clarity is paramount in a rifle scope, as it directly impacts your ability to identify and engage targets accurately. I meticulously examine the glass quality, looking for any distortions, aberrations, or cloudiness that might compromise image quality. The clarity of the sight picture is assessed across the entire magnification range, as some scopes may perform well at lower magnifications but lose clarity at higher powers. I also pay close attention to how well the scope transmits light in various conditions, from bright daylight to low-light situations at dawn or dusk. The reticle is another crucial aspect of clarity – it should be crisp, well-defined, and visible without overpowering the target image. Finally, I evaluate how well the scope handles glare and whether any coatings effectively reduce reflections that could give away a hunter’s position.

Adjustment

The ability to make precise and reliable adjustments is critical for any serious shooter. I thoroughly test both the elevation and windage adjustment mechanisms, checking for consistent and accurate clicks that correspond to the advertised MOA or MRAD values. The tactile feedback of the turrets is assessed – they should have a positive, audible click without feeling mushy or vague. I examine the adjustment range to ensure it’s sufficient for the intended use, whether that’s long-range precision shooting or closer-range hunting scenarios. The zero reset feature, if present, is tested for ease of use and reliability. Lastly, I evaluate any additional adjustment features like parallax correction or illumination controls for smoothness and intuitiveness of operation.

Magnification

A scope’s magnification range can greatly impact its versatility and effectiveness in different shooting scenarios. I test the entire magnification range, paying attention to image quality and clarity at both the lowest and highest settings. The smoothness of the zoom mechanism is evaluated – it should be easy to adjust without disturbing your shooting position. I assess the scope’s performance in terms of field of view at different magnifications, noting how this affects target acquisition and situational awareness. The accuracy of the marked magnification levels is verified, as some scopes may not precisely match their indicated zoom levels. Finally, I consider how well the scope balances its magnification range with other factors like weight, size, and overall optical performance.

Parallax and eye relief

Proper parallax adjustment and generous eye relief contribute significantly to a scope’s usability and shooter comfort. I test the parallax adjustment (if available) across different distances, ensuring it effectively eliminates parallax error throughout its range. The eye box – the area behind the scope where a full, clear image is visible – is carefully evaluated for size and forgiveness. I measure the actual eye relief and compare it to the manufacturer’s specifications, as this can impact both comfort and safety, especially on high-recoil rifles. The consistency of eye relief across the magnification range is assessed, as some variable power scopes may have fluctuating eye relief. Lastly, I consider how these factors affect the scope’s performance in various shooting positions and scenarios, from bench rest to field use.

Durability

A rifle scope must be able to withstand the rigors of field use and maintain zero under harsh conditions. I subject each scope to a series of shock tests, including the “butt drop” test mentioned earlier, to simulate real-world impacts and vibrations. The scope’s ability to maintain zero and optical alignment after these tests is carefully evaluated. I examine the overall construction quality, including the robustness of the tube, the security of lens mountings, and the durability of any external controls. The effectiveness of weatherproofing measures, such as nitrogen purging and O-ring seals, is assessed to ensure the scope can perform in various environmental conditions. Finally, I consider the manufacturer’s warranty and reputation for customer service, as these can be indicators of long-term durability and support. After testing, I write down my first impressions and list my likes and dislikes. I also note any unique or unusual features that are worth mentioning.

I also consider the price. I’m not saying you should cheap out when buying a new rifle scope. But if two scopes are otherwise comparable but one is cheaper than the other, it makes sense to choose the one that costs less. You’re getting a better value.

After that, I write my review. The process ends there 90% of the time, but every once in a while, I make a mistake. If you notice a mistake, contact me and let me know, thank you.