Photoshop Technique
Focus stacking is a photographic technique used primarily in landscape photography to achieve greater depth of field and overall sharpness across an image. Rather than relying on a single exposure, the photographer takes multiple images with different focus points—typically focusing on the foreground, middle ground, and background separately. These images are then combined in post-processing software like Photoshop to create a final image with enhanced sharpness throughout the entire frame.
The Process
The technique begins during the shooting phase, where the photographer uses manual focus to capture a series of images, each with a different plane of focus. The number of images required depends on the scene’s depth and the lens used. In post-processing, these images are aligned and blended together, with software tools selecting the sharpest portions from each exposure to create a composite image. Photoshop provides both automated alignment features and manual blending options for this purpose.
Practical Applications
Focus stacking is particularly valuable in landscape photography where photographers want to maintain sharp detail from foreground elements—such as rocks or flowers—through to distant mountains or sky. It addresses the physical limitation of shallow depth of field, especially when using longer focal lengths or wider apertures. The technique is also used in macro photography and product photography where similar depth-of-field challenges arise.
Source Notes
- 2026-04-10: Photoshops Blend If Pixel Perfect Transparency via Brightness and Colo · ▶ source
- 2026-04-21: Adobe · ▶ source