GKFix MCQ Question

What does a lens power of +5.0 D tell you about the lens type and focal length?

• A. It is a concave lens with a focal length of -0.2 meters
• B. It is a convex lens with a focal length of +0.2 meters
• C. It is a convex lens with a focal length of -0.2 meters
• D. It is a concave lens with a focal length of +0.2 meters