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The
Lens Correction filter fixes common lens flaws such as barrel and
pincushion distortion, vignetting, and chromatic aberration. The
filter works only with 8‑ and 16‑bit-per-channel images in RGB or
Grayscale mode.
You can also use the filter to rotate an image
or fix image perspective caused by vertical or horizontal camera
tilt. The filter’s image grid makes these adjustments easier and
more accurate than using the Transform command.
Automatically correct image perspective and lens flawsUsing lens profiles, the default Auto Correction
option quickly and accurately fixes distortion. For proper automatic
correction, Photoshop requires Exif metadata that identifies the
camera and lens that created the image, and a matching lens profile
on your system.
- Choose Filter > Lens Correction.
- Set the following options:
- Correction
- Select the problems you want to fix. If corrections undesirably extend
or contract the image beyond original dimensions, select Auto Scale Image.
The
Edge menu specifies how to handle blank areas that result from pincushion, rotation,
or perspective corrections. You can fill blank areas with transparency
or a color, or you can extend the edge pixels of the image.
- Search Criteria
- Filters the Lens Profiles list. By default, profiles
based on image sensor size appear first. To list RAW profiles first,
click the pop-up menu
 , and select
Prefer RAW Profiles. - Lens Profiles
- Select a matching profile. By default, Photoshop displays
only profiles that match the camera and lens used to create the
image. (The camera model does not have to match perfectly.) Photoshop
also automatically selects a matching sub-profile for the selected
lens based on focal length, f-stop and focus distance. To change
the automatic selection, right-click the current lens profile, and
select a different sub-profile.
If you find no matching lens
profile, click Search Online to acquire additional profiles created
by the Photoshop community. To store online profiles for future use,
click the pop-up menu , and
choose Save Online Profile Locally.
 To create
your own profiles, download the free Adobe Lens Profile Creator
from the Adobe website.
Manually correct image perspective and lens flawsYou
can apply manual correction alone or use it to refine automatic
lens correction.
- Choose
Filter > Lens Correction.
- In the upper-right corner of the dialog box, click the
Custom tab.
- (Optional) Choose a preset list of settings from the
Settings menu. Lens Default uses settings that you previously saved
for the camera, lens, focal length, f‑stop, and focus distance used
to create the image. Previous Conversion uses the settings used
in your last lens correction. Any group of custom settings you saved
are listed at the bottom of the menu. (See Save settings and set camera and lens defaults.)
- Set any of the following options to correct your image.
- Remove Distortion
- Corrects lens barrel or pincushion distortion. Move the slider
to straighten horizontal and vertical lines that bend either away
from or toward the center of the image. You can also use the Remove
Distortion tool
 to
make this correction. Drag toward the center of the image to correct
for barrel distortion and toward the edge of the image to correct
for pincushion distortion. To compensate for any blank image edges
that result, adjust the Edge option on the Auto Correction tab. - Fix Fringe settings
- Compensate for fringing by adjusting the size of one
color channel relative to another.
Zoom in
on the image preview to get a closer view of the fringing as you
make the correction. - Vignette Amount
- Sets the amount of lightening or darkening along the
edges of an image. Corrects images that have darkened corners caused
by lens faults or improper lens shading.
You
can also apply vignetting for a creative effect. - Vignette Midpoint
- Specifies the width of area affected by the Amount slider. Specify
a lower number to affect more of the image. Specify a higher number
to restrict the effect to the edges of the image.
- Vertical Perspective
- Corrects image perspective caused by tilting the camera up
or down. Makes vertical lines in an image parallel.
- Horizontal Perspective
- Corrects image perspective, making horizontal lines parallel.
- Angle
- Rotates the image to correct for camera tilt or to make
adjustments after correcting perspective. You can also use the Straighten
tool
 to
make this correction. Drag along a line in the image that you want
to make vertical or horizontal.Note: To avoid unintended scaling
when adjusting perspective or angle settings, deselect Auto Scale
Image on the Auto Correction tab.
- Scale
- Adjusts the image scale up or down. The image pixel dimensions
aren’t changed. The main use is to remove blank areas of the image
caused by pincushion, rotation, or perspective corrections. Scaling
up effectively results in cropping the image and interpolating up
to the original pixel dimensions.
Adjust the Lens Correction preview and gridAdjust the preview magnification and grid
lines to better judge the necessary amount of correction.
- To change the image preview magnification,
use the Zoom tool or the zoom controls in the lower left side of
the preview image.
- To move the image in the preview window, select the Hand
tool and drag in the image preview.
- To use the grid, select Show Grid at the bottom of the
dialog box. Use the Size control to adjust the grid spacing and
the Color control to change the color of the grid. You can move
the grid to line it up with your image using the Move Grid tool
 .
Save settings and set camera and lens defaultsYou can save the settings in the Lens Correction
dialog box to reuse with other images made with the same camera,
lens, and focal length. Photoshop saves both Auto Correction settings
and Custom settings for distortion, chromatic aberration, and vignetting.
Perspective correction settings are not saved because they typically
vary from one image to another.
You can save and reuse settings
in two ways:
Manually save and load settings. Set
options in the dialog box, and then choose Save Settings from the
Settings menu  . To
use the saved settings, choose them from the Settings menu. (If
you save settings outside the default folder, they don’t appear
in the menu; use the Load Settings command to access them.)
Set a lens default. If your image has EXIF metadata for the
camera, lens, focal length, and f‑stop, you can save the current
settings as a lens default. To save the settings, click the Set
Lens Default button. When you correct an image that matches the
camera, lens, focal length, and f‑stop, the Lens Default option becomes
available in the Settings menu. This option is not available if
your image doesn’t have EXIF metadata.
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