How do I set up Focus Bracketing and how is it different than Focus Stacking?

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What is Focus Stacking and Focus Bracketing?

Focus Stacking and Focus Bracketing are two photography techniques used to create stunning images when a larger depth of field than what is possible to capture within a single frame is required. The process involves taking multiple photographs while progressively shifting the focus point across the depth of the subject (bracketing), and then using editing software to combine and blend the resulting images into one final composite (stacking). The most common applications of these techniques are seen in macro photography, product photography, and landscape photography.

There is a distinct difference between the two features:

• Focus Bracketing - The process of capturing multiple images of the same subject, each progressively shifting the focal point to a different area of the subject.  This technique ensures that different parts of the subject are in focus, allowing for the desired frame selection or to use them for Focus Stacking.

• Focus Stacking - The process of combining the images taken during focus bracketing into a single image with an extended depth of field. Specialized software is required to seamlessly blend the images and create a final composite with a greater depth of field and uniform focus.  

A single frame provides an image where only a portion of the subject is visible.

If the subject and camera remain still but the focus point moves across the frame in multiple images (Focus Bracketing), the combined image created through Focus Stacking will display the subject completely in focus and sharp throughout the depth of the captured frame. 

Setup Focus Bracketing on the camera (ILCE-6700 example)

Refer to these steps to setup the Focus Bracketing feature on your camera. Check your camera Help Guide for details.

Notes:

• Third-party software (such as Adobe® Photoshop® and others) is required for the focus stacking feature.
• The initial focal point, step width, direction of the focus shift, and number of images can be programmed before engaging in Focus Bracketing.