"personal lens" is correct and usable in written English.
It can be used to refer to the unique perspective and experience someone brings to a situation. For example, "Using my personal lens, I noticed that the divide between the two groups was more pronounced than I had expected."
His personal lens, he realised, was business analysis.
"But I noticed they were all interpreting fashion through their own personal lens".
"There's a new generation of directors in Italy making interesting and entertaining films that look at reality through a very personal lens," she said.
The French television channel, France 3, invited a half dozen international correspondents to examine an issue playing out in the French presidential campaign through their personal lens.
By creating a parallel narrative with a mother and her daughter in Japan, Ms. Silvia explores the atomic weapons program through a personal lens.
What distinguishes Crimmins from most modern political comedy is the refusal to soft-soap his anger, or to filter the politics through a personal lens, far less to try and appear even-handed.
When we collected data from clinicians, administrators, and others, we attempted to have them see through the technical, organizational, and personal lenses as much as possible.
Some shame is utter shame but I think some of our shame is through our personal shame lens.
Now, MySpace is making it simple for users to organize what's important to them through a personal and social lens.
When House does get topical, he still projects his opinions through the lens personal relationships.
In a continuing project called "Scratching on Things I Could Disavow: A History of Art in the Arab World," he traces an elusive cultural and personal journey through the lens of contemporary art, represented by series of prints.
