Ranked in these QuestionsQuestion Ranking
Pro Excellent asset management capabilities
Lightroom allows, for example, organizing images based on folders, color labels, flags, rating, keywords, GPS location, it can automatically create smart albums (albums that automatically update based on set rules) and it can be set to automatically backup, rename based on set rules, apply default processing, add keywords to images on import. It offers that functionality in an intuitive way and allows extensively customizing layout, behavior and workflow of managing assets to better suit your needs.
Pro Intuitive interface that's streamlined for a photographer's workflow
At a high level the interface is organized into broad groups of tools called workflow modules. Modules like "Library" for asset management and "Develop" for manipulating the photos. Each module displays only those tools that are needed for that task. This allows you to separate concerns between tasks and reduces interface clutter. When you're, for example, developing the image, you're not bothered by interface tools relating to exporting it.
Within each module tools are grouped in a logical manner. Develop module, for example, will group tools relating to basic image adjustment, lens correction, and effects.
And there are a plethora of keyboard shortcuts that improve the workflow speed even further. At all times you can easily navigate between images you're working via arrow keys, quickly compare images before and after making edits with
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Pro A good number of cameras have built-in lens profiles for lens distortion correction
Lightroom has over 900 lens profiles from all kinds of manufacturers, including major lens brands like Canon, Nikon, Leica, Pentax, Ricoh, etc. You can see the full list of supported lenses here. Lens profiles will in most cases speed up the process of correcting lens distortion down to 1-2 clicks.
Pro HDR support
Can merge multiple shots into one in order to expand dynamic range.
Pro Supports tethered capture
You can connect your camera directly to Lightroom and have Lightroom display images as soon as they are captured.
Pro Facial recognition helps find and tag people
Lightroom has built-in facial recognition support that can be used to find the same person in any collection of photographs.
Con No layer-based image editing capabilities
There are no layers removing any ability to blend images, create composits, overlay text, etc.
Con Hot folder option could be better
It can take a couple of seconds for Lightroom to check the folder for incoming images and that can noticeably slow down the workflow. Additionally, only the last image is imported as active.