What is OIS Technology in Phone Cameras

When you buy a phone and the spec sheet says “OIS” next to the camera, many people don’t know what it means or whether they should care. But I can assure you that OIS technology in phone cameras is one of those features that, once you experience it, you won’t want to give up.

Table of contents

What is OIS

OIS stands for Optical Image Stabilization. It’s a mechanical system inside the camera module that compensates for hand movement so photos come out sharp and videos come out smooth.

Here’s how it works: when your hand shakes slightly (and it always does, even if you don’t notice), sensors detect that movement and a small piece inside the lens moves in the opposite direction to compensate. It’s like having a tiny stabilizer inside the camera.

OIS vs EIS: they’re not the same thing

Here comes the most common confusion. Many brands advertise “stabilization” without specifying whether it’s optical or electronic:

EIS is pure software: it crops the image and shifts the frame frame-by-frame to simulate stability. It works decently for video but crops part of the image. OIS is real hardware that stabilizes without cropping anything.

Why OIS matters

1. Sharper photos in low light

This is the main reason OIS exists. In low-light conditions, the camera needs to keep the shutter open longer to capture enough light. Without OIS, that extra time amplifies hand shake and the photo comes out blurry. With OIS, the lens compensates for the shake and the photo comes out sharp.

In my experience, the difference is especially noticeable in night photos and indoor scenes with poor lighting. I’ve compared a Pixel (with OIS) against a mid-range phone without OIS in the same night scene, and the Pixel’s sharpness is clearly superior.

2. More stable videos

For video, OIS is a game-changer. Walking while recording without OIS produces a nauseating video. With OIS, the result is much smoother and more professional.

The best results come from combining OIS + EIS: OIS compensates for small, fast vibrations, and EIS compensates for large movements like walking.

3. Better zoom

When you zoom, any movement gets amplified. Without OIS, doing 5x or 10x zoom is practically impossible to keep stable. With OIS, the telephoto lens stays steady and the result is usable.

Types of OIS in phones

Single-axis OIS

The most basic version. The lens moves in only one direction (horizontal or vertical). Better than nothing, but limited. Present in some mid-range phones with OIS.

Two-axis OIS (2-axis)

The lens moves horizontally and vertically. Compensates for basic hand shake. The most common version in 2023-2024 high-end phones.

Four-axis OIS (4-axis) or Sensor-Shift

Here not only the lens moves, but also the sensor. Apple introduced Sensor-Shift on the iPhone 12 Pro Max and Samsung and others have followed. Compensates for movement in more directions and is more efficient.

Adaptive OIS

The most advanced version (present on Samsung Galaxy S25 Ultra and iPhone 16 Pro). The system adjusts compensation based on movement type: more aggressive for walking, gentler for standing still.

Phones with OIS in 2026

OIS is no longer exclusive to the most expensive flagships. In 2026, many mid-range phones include it:

The clear trend is OIS reaching mid-range. In 2026, I recommend not buying a phone over $300 without OIS on the main camera.

Pro-tip: When comparing phones, look specifically for “OIS” on the main camera. Don’t settle for just “stabilization,” which may be only EIS (software). Real OIS makes a tangible difference.

How to know if your phone has OIS

Method 1: Specs sheet

Look on GSMArena or the manufacturer’s website in the camera section. If it says “OIS,” “Optical Image Stabilization,” it has it.

Method 2: Physical check

Open the camera, bring your ear close to the camera module, and gently move the phone. If OIS is active, you should hear a slight mechanical sound of the lens compensating for movement.

Method 3: Night photo test

Take two photos of the same night scene: one at 1/10s and another at 1/2s. If the 1/2s one comes out sharp (without a tripod), it probably has OIS. Without OIS, the 1/2s one will almost certainly come out blurry.

OIS isn’t magic: its limitations

Although OIS is incredibly useful, it has limitations:

• Doesn’t compensate for large movement: if you’re walking fast, OIS can’t keep up. For that you need a gimbal or external stabilizer.
• Doesn’t work if you’re shaking a lot: nervous trembling or extreme cold can exceed the compensation capacity.
• Adds size and weight to the camera module: that’s why some ultra-thin phones don’t include it.
• Doesn’t replace a tripod: for long-exposure photos (over 1 second), OIS helps but a tripod is still necessary.

OIS and night mode: the perfect combination

Night mode on modern phones and OIS work together in a way many people don’t appreciate. Night mode takes multiple photos at different exposures and combines them into a single well-lit image. For that to work well, each individual photo needs to be sharp. That’s where OIS does its most important work.

Why OIS is essential in night mode

Without OIS, the individual photos that night mode captures would come out blurry, especially the longer exposure ones. Software can’t align blurry images well and the final result looks soft or has artifacts.

I tested night mode on a Pixel 9 Pro (2-axis OIS) and on a mid-range phone without OIS. The difference in final sharpness is huge: the Pixel captures textures in the dark that the other simply can’t.

Night mode vs regular photo with OIS

Pro-tip: When using night mode, keep the phone as still as possible during capture (usually 2-5 seconds). OIS helps, but if you deliberately move, no amount of OIS can compensate.

OIS in video: stabilization in action

Although OIS makes a big difference in photos, it’s in video where you’ll appreciate it most as a daily user.

OIS + EIS: the ultimate combo

Most modern phones combine OIS and EIS in video. Each does part of the work:

• OIS compensates for small, fast vibrations (hand shake, vehicle vibrations)
• EIS compensates for large movements (walking, running, moving around)

The result is video that looks like it was shot with a gimbal stabilizer, without any accessories.

Video stabilization comparison

4K recording with OIS

An important detail: some phones disable OIS in certain video modes (like 4K at 60fps or 8K) due to image processor limitations. Before buying a phone for video, verify OIS works in the recording mode you’ll use most.

In my experience, recording in 1080p with OIS + EIS usually gives better results than recording in 4K without OIS. Extra resolution is useless if the video is shaky.

FAQ: Frequently asked questions

Does OIS consume more battery?

The additional consumption is minimal. The motors that move the lens consume energy, but it’s such a small amount you won’t notice a difference in battery life.

Does OIS work in video?

Yes, and it’s where you notice the difference most. OIS in video reduces camera shake significantly. For the best video stability, combine OIS + EIS (which is what most modern phones do in video mode).

Can I turn OIS on or off?

On most phones you can’t manually disable OIS. It’s always active when the camera is in use. Some specific modes (like night mode) may adjust compensation automatically.

Does OIS break if the phone drops?

It’s possible, but unlikely in normal drops. OIS mechanisms are designed to withstand moderate impacts. A severe fall could damage the mechanism, which would manifest as always-blurry photos or a strange noise when opening the camera.

Conclusion

Understanding what is OIS technology in phone cameras lets you make better purchasing decisions and appreciate a feature that truly improves your photos and videos. My clear recommendation: in 2026, OIS on the main camera should be a minimum requirement if you spend over $300 on a phone. The difference in night photos and videos is worth every penny of the extra cost.