Image stabilization reduces blur caused by small hand movements. Lens-based systems move an element inside the lens, while in-body stabilization shifts the sensor. Both let you use slower shutter speeds handheld, and on many cameras they work together.
How Each System Works
In a stabilized lens, gyroscopic sensors detect movement and a floating optical group shifts to counter it. In a camera with in-body stabilization, the sensor itself floats on a mount and moves in several directions to offset shake. Some systems correct more than just up-and-down and side-to-side motion; they also handle rotation and forward-back shifts, which matter for close-up work.
Strengths of Each
- Lens stabilization is tuned to that particular lens, which is useful for long telephotos where shake is magnified.
- The viewfinder image also steadies, which helps you compose and keep focus on a target.
- In-body stabilization works with almost any attached lens, including older or adapted ones.
- In-body systems benefit video, since stabilization applies to every lens you use.
Side by Side
| Question | In lens | In body |
|---|---|---|
| Works with any lens | No, only that lens | Generally yes |
| Long telephotos | Often very helpful | Helpful, sometimes combined |
| Lens size and weight | Adds a little | Adds nothing to the lens |
| Camera size | No effect | May be slightly larger |
Using Them Together
Some camera and lens combinations coordinate both systems, giving a larger total benefit than either alone. Makers often quote the benefit in stops, but numbers vary by lens, focal length and testing method, so treat them as a rough guide and check the maker’s guide.
- Check whether your camera and lens support combined stabilization.
- Turn stabilization off when the camera sits on a solid tripod, unless the guide says otherwise.
- Press the shutter gently and hold the camera close to your body.
- Remember that stabilization cannot freeze a moving subject; you still need a fast shutter for action.
Getting the Most From Stabilization
Stabilization works best when your technique is already sound. Stand with feet apart, tuck elbows in and exhale gently before pressing the shutter. Allow a moment after the first half-press for the system to settle, since the image in the viewfinder often steadies before the exposure begins. When panning with a moving subject, look for a panning mode in the lens or camera, which ignores sideways motion while still correcting vertical shake.
FAQ
Does stabilization replace a tripod?
No. It helps with handheld shake, but a tripod still gives the sharpest results for long exposures and precise framing.
Does it help with moving subjects?
Only for camera shake. If the subject moves, you still need a shutter speed fast enough to freeze that motion.
The Short Version
Lens stabilization is tailored and strong for long lenses. In-body stabilization covers every lens you mount. If your gear supports both, you get the best of each. Choose by the lenses you plan to use.
