Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE camera_lens (name VARCHAR, id VARCHAR); CREATE TABLE photos (camera_lens_id VARCHAR)
### Question:
What are the names of the cameras that have taken picture of the most mountains?
### Answer:
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