Depending upon diopter, close up lenses available in 4 magnifications  helps you go closer to a subject & help you to enlarge a particular portion from a group photograph & to capture details of finger prints, insects, flowers, jewellery & countless other subjects in all their tiny detail

Because of short distance, depth-of field being shallow, use of smallest lens stop is recommended.

Close up lenses do not interfere with the automatic diaphragm of the master lens, nor do they need any exposure compensation & can be used sing-ally or in combination.