![Ron Martinsen's Photography Blog: REVIEW: Nik Software Color Efex 4–The Most Important Plug-in You Can Buy Ron Martinsen's Photography Blog: REVIEW: Nik Software Color Efex 4–The Most Important Plug-in You Can Buy](http://lh4.ggpht.com/-spCtDVrkSUM/TzJFYz7mvYI/AAAAAAAABj8/kjqHxuZNh0E/SNAGHTML46ba9ec_thumb%25255B3%25255D.png?imgmax=800)
Ron Martinsen's Photography Blog: REVIEW: Nik Software Color Efex 4–The Most Important Plug-in You Can Buy
![Google Nik Collection: Using Color Efex Pro to Correct Color, Retouch and Create Effects - Corel Discovery Center Google Nik Collection: Using Color Efex Pro to Correct Color, Retouch and Create Effects - Corel Discovery Center](https://learn.corel.com/wp-content/uploads/2017/06/original-image.jpg)
Google Nik Collection: Using Color Efex Pro to Correct Color, Retouch and Create Effects - Corel Discovery Center
Nik Software Nik Color Efex Pro 3.0 Review: One of the finest collections of Photoshop-compatible plug-in filters available - Software and Services - Graphics & Publishing - PC World Australia
![Google Nik Collection: Using Silver Efex Pro to Create Black and White Images - Corel Discovery Center Google Nik Collection: Using Silver Efex Pro to Create Black and White Images - Corel Discovery Center](https://learn.corel.com/wp-content/uploads/2017/06/1-initial-image-no-editing.jpg)