Thursday, August 4, 2011

Pentax SMC-DA 21mm f/3.2 AL Limited

This little pancake lens is my favorite. That's probably why taking it apart was so scary. I bought the lens about a year ago, and now it's having trouble focusing to infinity. It has happened to other people too. (PentaxForums)

Basically, the focus mechanism gets loose over time and doesn't retract the glass elements far back enough to focus on objects farther away. Here's a look at getting to the internal focus rings:






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