Page 164 - (DK) Advanced Photography Guide

162 APPLYING | LENS CORRECTION

CORRECTING SUBTLE FLAWS

No lens is perfect—even the most expensive lenses to the metadata (see p.178) of every photo that is shot
can produce photos with aberrations or distortions. with it. Lightroom has a number of built-in profiles for
Adobe Lightroom’s Lens Correction panel offers specific lenses, which enable you to automatically
a range of options for correcting these flaws. With a correct lens flaws on multiple photos at the same time.
few notable exceptions, such as older manual-focus For the best results, apply profiles to RAW files, as JPEG
or adapted lenses, information about a lens is added formats may produce inconsistent results.

Lens Correction Lens Correction
Profile Manual Profile Manual
Remove Chromatic Aberration Distortion
Enable Profile Corrections Amount 0
Setup Custom
Constrain Crop
Lens Profile
Defringe
Make Sony
Model Sony DT 18-200mm Amount 0
Profile Adobe (Sony DT 18… Purple Hue 30/70
Amount 0
Amount Green Hue 40/60
Distortion 100
Vignetting 100 Vignetting
Amount 0
Midpoint 50
AUTOMATIC CORRECTION MANUAL CORRECTION
Chromatic aberrations and distortions are only visible if you If a profile for your lens is not available, or if you want to
examine the photo very closely. Check Enable Profile Corrections. make adjustments selectively, click on Manual. This allows you
If a lens profile is not automatically selected, use the Make/Model/ to make adjustments to distortions and vignetting and to crop
Profile menus to find out if the profile for your lens is available. the photo yourself (see steps 3, 4, and 5).

Distortion
Amount +25
Constrain Crop

Vignetting Vignetting
Amount 0 Amount +29
Midpoint 50 Midpoint 65

ADJUST DISTORTION CORRECT VIGNETTING
Move the slider right (applying a positive value) Move the Amount slider to the right to lighten
to correct barrel distortion or to the left (applying a the corners, or to the left to darken them. A high
negative value) to correct pincushion distortion Midpoint value pushes the effect further into the
(see p.95). corners; a low value spreads it toward the center.

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