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Perfect autofocus, every time
Take sharper photos than ever before with 4D FOCUS.
What is 4D FOCUS?
Conventional autofocus (AF) deals with space alone. 4D FOCUS goes one step further with an innovative image sensor that picks up both space and time to capture moving subjects with new clarity, allowing you to take crisper photos than ever. Plain old AF is a thing of the past. The future of photography is in motion.
WIDE - Area (2D)
Capture the action across a wide area, even off the center of the frame.
FAST - Depth (3D)
Focus quickly, whether your subject is moving closer or further away.
STEADFAST - Time (4D)
The fourth dimension of 4D FOCUS is time, accurately predicting and stably tracking your subject's next move.
Wide AF area
Capture your subject anywhere in the frame. 4D FOCUS activates AF points across a wide area, so the camera can detect subjects throughout the entire frame, instead of just the center.
Ultra-fast focus
4D FOCUS instantly detects the distance to your subject and focuses quickly and accurately with advanced AF algorithm, so you never miss decisive moments.
Steadfast tracking
Never lose sight of your subject. Our AF algorithm stays focused on the action, and even predicts your subject's next move, without getting distracted by any obstacles in the frame.
4D FOCUS Gallery 1
Browse crisp action shots taken with 4D FOCUS, and see how you can take them yourself, with detailed information ranging from model number to aperture size and focal length.
α9 II Manual — 1/1600 sec., F5.6, ISO 100, Auto White Balance
α9 II Manual — 1/2000 sec., F5.6, ISO 1600, Manual White Balance
α9 Manual — 1/2000 sec., F5.6, ISO 1600, Manual White Balance
α9 – Manual, 1/1000 sec., F4, ISO 3200, Manual white balance
α7R IV — Manual, 1/5000 sec., F4, ISO 1600, Auto white balance
α7R III – Manual, 1/4000 sec., F5.6, ISO 400, Auto white balance
α7R III – Manual, 1/250 sec., F8, ISO 100, Manual white balance
α7 III－S Mode, 1/2000 sec., F4.5, ISO 200, Auto white balance
α7 III－S Mode, 1/2500 sec., F4, ISO 1600, Manual white balance
α99 II – Manual, 1/1000 sec., F2.8, ISO 1600, Auto white balance
α99 II – Manual, 1/2500 sec., F5.6, ISO 400, Auto white balance
α6600 – Manual, 1/2,500 sec., F2.8, ISO 100, Auto white balance
α6600 – S Mode, 1/1,000 sec., F10, ISO 400, Auto white balance
α6600 – S Mode, 1/2,000 sec., F2.8, ISO 125, Auto white balance
α6400 – Manual, 1/2500 sec., F4, ISO 500, Manual white balance
α6400 – A Mode, 1/500 sec., F5.6, ISO 100, Auto white balance
α6100 - Manual, 1/4,000 sec., F5.6, ISO 640, Auto white balance
α6000 – A Mode, 1/2000 sec., F6.3, ISO 800, Auto white balance
See 4D FOCUS in action 1
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