Category Archives: Teardowns and Disassembly

Optically Adjusting a Lens

Posted by

I write a lot about the fact that every copy of a lens is slightly different than every other copy. Now don’t get me wrong: I’m talking slight differences that are barely detectable, not good or bad. Even when things appear to be in the “bad lens” area, they usually aren’t. The majority of the [...]

(un)Making Pancakes

Posted by

I’ve always been fascinated by pancake lenses. It just amazes me that something that small can actually function. As I mentioned in an earlier post, we’ve been taking things apart to determine where and how (and sometimes if) the lenses can be adjusted optically. So,¬†I decided to do two pancake lenses for mirrorless cameras¬†side-by-side to [...]