in photography, i look at pictures and see stuff like : 85mm- 200 , and 12mm-...

R

rilly lily .

New member
...50mm ... WHAT DOES THAT MEAN ?!!? i know it has something to do with the lens , but is 85mm-200 and 12mm-50mm , like DIFFERENT TYPES OF LENS ? or does that mean the length of the lens ?
 
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