Camera manufacturers keep pushing higher numbers. First it was 5 stops, then 7, and now some systems claim 10 stops of image stabilization or more. Those figures sound impressive on paper, but what do they actually mean in practice? And more importantly, can you trust them when you’re shooting in the field?
When brands advertise 8-stop or 10-stop image stabilization, most photographers struggle to calculate what that means for their shooting. Traditional “one over focal length” rule doesn’t scale well anymore, particularly when you’re dealing with half-stop increments.
A more practical formula exists: Safe shutter speed ≈ 2^stabilization stops ÷ equivalent focal length.
Consider a 500mm lens advertising 7.5 stops of stabilization. According to the formula, you should theoretically shoot at approximately 0.36 seconds handheld without motion blur. A massive claim—and it raises an obvious question. Is image stabilization really this good now?
How testing standards evolved to measure performance, before standardized testing existed, each manufacturer developed its own testing methodology. That created a problem. Comparing stabilization performance across brands became nearly impossible because everyone measured differently.
In 2012, Japan’s Camera & Imaging Products Association introduced the DC-011-2012 standard. Framework established consistent testing protocols for image stabilization systems. Methodology measured pitch and yaw shake using mechanical rigs positioned at a distance 20 times the focal length, and evaluated blur based on physical displacement rather than pixel-level sharpness.
Standard served the industry well for over a decade. However, stabilization technology advanced significantly during that time, and so did how people consume photographs.
Since most images are now viewed on screens rather than printed, CIPA updated its testing methodology in 2024 with DC-X011-2024. Revised standard introduced several changes that make testing more rigorous.
New version adds roll-axis measurements to the existing pitch and yaw tests. It also includes off-center test points, recognizing that photographers don’t always compose subjects in the frame center. Perhaps most significantly, the tolerance threshold tightened from 63 μm to just 20 μm.
These changes mean that achieving the same “stops” rating under the new standard requires better actual performance than under the old one. So when asking is image stabilization really this good now, the answer depends partly on which standard was used for testing.
In theory, 10 stops of stabilization at 100mm would enable you to shoot a 10-second exposure handheld without blur. In reality, that’s essentially impossible for human photographers.
That doesn’t mean manufacturers are being deceptive with their claims. It means lab testing environments don’t fully replicate real-world conditions. Standardized tests simulate pitch, yaw, and rotation effectively. However, they largely ignore vertical movement along the Z-axis and horizontal shifts along the X and Y axes—movements that are unavoidable when a human holds a camera.
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Even minor body sway, breathing, or muscle tension creates movement that lab rigs don’t account for. Additionally, longer exposures increase the probability that involuntary movements will occur during the shutter opening.
So, is image stabilization really this good now? Yes and no.
Modern stabilization systems have improved dramatically compared to technology from even five years ago. Engineering behind in-body stabilization combined with optical stabilization is genuinely impressive. In practical shooting scenarios, you can absolutely gain several stops of stability over older systems.
However, don’t expect “10 stops” to replace a tripod or gimbal anytime soon. Use stabilization ratings as relative comparisons between systems rather than absolute guarantees. A lens claiming 8 stops will outperform one claiming 5 stops under similar conditions—but neither will let you shoot 30-second exposures handheld.
For critical work requiring long exposures or maximum sharpness, mechanical support remains necessary. For everything else, today’s stabilization systems deliver performance that would’ve seemed impossible a decade ago—even if they can’t quite stabilize the spectacular claims manufacturers put on spec sheets.
