Threshold adjustment

Create a two-tone, black and white image from greyscale or colour images based on a pixel intensity threshold.

Before and after adjustment applied.

Any pixels lighter than the threshold are converted to white; any pixels darker than the threshold are converted to black.

Apply this adjustment via the Adjustments panel using the following settings:

Threshold—controls the transition point between pixels being converted to black or white. Drag to the left to convert more pixels to white, drag to the right to convert more pixels to black.