Aperture

Shutter speed

ISO

Lens quality

A wider aperture (lower f-number) results in sharper images.

A narrower aperture (higher f-number) results in sharper images.

Aperture has no effect on sharpening results.

The effect of aperture on sharpening depends on the lens being used.

Higher ISO results in sharper images.

Lower ISO results in sharper images.

ISO has no effect on sharpening results.

The effect of ISO on sharpening depends on the camera being used.

Unsharp mask

High-pass filter

Median filter

Gaussian blur

To enhance high-frequency details in the image.

To reduce high-frequency noise in the image.

To create a mask for selective sharpening.

To adjust the overall brightness of the image.

Sharpening enhances high-frequency details, while clarity adjusts the contrast of mid-tones.

Sharpening enhances low-frequency details, while clarity adjusts the contrast of highlights and shadows.

Sharpening increases the overall contrast of the image, while clarity enhances local contrast.

Sharpening reduces noise, while clarity increases noise.

As a final step in the editing process.

As a first step in the editing process.

Before applying any other adjustments.

After applying all other adjustments.

The image will appear noisy.

The image will appear blurry.

The image will lose detail.

The image will have a halo effect around edges.

It allows for selective sharpening of specific areas in the image.

It reduces the risk of over-sharpening.

It enhances high-frequency details in the image.

It increases the overall contrast of the image.

To control the amount of sharpening applied to the image.

To control the size of the halo effect around edges.

To determine the sharpness of the mask used for selective sharpening.

To adjust the overall brightness of the image.

Unsharp mask

High-pass filter

Median filter

Gaussian blur

Sharpening enhances high-frequency details, while noise reduction removes high-frequency noise.

Sharpening enhances low-frequency details, while noise reduction removes low-frequency noise.

Sharpening increases the overall contrast of the image, while noise reduction decreases the overall contrast.

Sharpening reduces noise, while noise reduction increases noise.

The quality of the original image.

The amount of noise in the image.

The type of sharpening algorithm used.

The skill of the photographer.

Use the default settings in your image editing software.

Experiment with different settings until you find a result that you like.

Consult a professional photographer for advice.

Use a sharpening preset designed for your specific camera and lens.

Camera shake

Incorrect focus

High ISO

Wide aperture