Some of my photos were ruined because I didn't know there was a dirty smudge on the lens of the camera.
The other end of the lens housed a convex lens.
A concave lens is thinner at the centre. People who are short sighted often use a concave lens to help them see better.
The aperture of my camera lens will not open!
The convex of the microscope lens proved to be unhelpful as I still could not find Jupiter.
Using a telephoto lens, the photographer captured an amazingly detailed picture.
lens what? You have to be alot more specific. This sentence is confusing.
The camera lens was broken by the fall .
Focal Point:The distance from the Lens to the Focal Point is called the Focal Point.
A lens transparent object that forms an image by refracting ,or bending light
The distracting violet fringing of the image in the telescope was limited by the use of an achromatic lens system.
His glasses have a concave lens.
Magnify means to enhance or enlarge an object to make it look bigger than it is. A sample sentence is: "They used a lens to magnify the images on the map".