Home Task 4: Digital Systems Task 4: Option 3 By hamoran. Published on May 21, 2020. 0 Students could explore the evolution of the camera. They could begin with making their own camera obscura before exploring film and then digital cameras. Share this:TwitterFacebookLike this:Like Loading... + There are no comments Add yours Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.