Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE camera_lens ( name VARCHAR, id VARCHAR )
TABLE: CREATE TABLE photos ( camera_lens_id VARCHAR )

### Question ###
What are the names of the cameras that have taken picture of the most mountains?

### Accurate SQL ###

SELECT T2.name FROM photos AS T1 JOIN camera_lens AS T2 ON T1.camera_lens_id = T2.id GROUP BY T2.id ORDER BY COUNT(*) DESC LIMIT 1