Transform features five sliders. Distortion offers much stronger adjustment capabilities than its counterpart in Profile. Vertical and Horizontal are used for perspective adjustment. Rotation rotates lens corrections equally, which is unlike other rotation methods. Scale is particularly useful when strong Distortion adjustments push areas out of the cropping boundary. By reducing Scale, you can pull all of the image areas into the crop area and choose to crop and/or retouch the gaps later.
Using Adobe Lens Profile Creator
The Adobe database is extensive and it’s growing, but it doesn’t have every lens ever created. If Adobe doesn’t supply a lens profile for your particular lens, you have three choices.
You may be able to access a lens profile created by another user on the Adobe Lens Profile Creator forum. Find and share lens profiles at Adobe Labs: forums.adobe.com/community/labs/lensprofile_creator/. Of course, these lens profiles will reflect the diligence and attention to detail of the individuals who made them.
Or, you can visually adjust the parameters of an existing lens profile and save the new settings under a new name for future use. There’s plenty of room for user error with this method, but it’s more efficient than creating manual corrections from scratch. Expect to check the results frequently when you apply these settings to different types of images.
Finally, you can create your own custom lens profile with the free Adobe Lens Profile Creator utility. Download the Adobe Lens Profile Creator at Adobe Labs: labs.adobe.com/technologies/lensprofile_creator/. Adobe Lens Profile Creator is a utility designed for photographers who want to create custom lens profiles for their own lenses.
Once you’ve verified that a lens profile works well, you can apply the lens profile corrections to all images shot with that camera/lens combination simply by selecting the files you’d like to apply them to and syncing them. Select the files in Camera Raw or Lightroom and click Sync, then choose only the settings you’d like to sync.
Using lens profiles not only will make adjusting all of your files created in the past, present or future faster and easier, but quickly will give you higher-quality results. If you’re serious about the quality of your photographs, you’ll consider implementing Adobe’s new lens profile corrections. And keep in mind that the Lens Corrections utility is designed to correct lens distortions, but it also can be used as a creative tool for controlling relative scale and position within the frame. Visually compare distorted and undistorted versions of a single image and choose the version that makes the most compelling image, whether it’s “correct” or not.
John Paul Caponigro, author of Adobe Photoshop Master Class and the DVD series R/Evolution, is an internationally renowned fine artist, an authority on digital printing and a respected lecturer and workshop leader. Get over 100 Lessons with his free enews Insights at www.johnpaulcaponigro.com.