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If my highschool science class had these Leica lens cutaways, it would have been heaven. I’d much rather dissect a Leica than a worm or pig. This lens was cut down the middle showing the actual glass elements and focus rings.
The lenses shown here are the Leica Tri-Elmar-M 28-35-50mm and the Leica 50mm f/1.4 Summilux M ASPH lens. If you’re interested in buying one of these for $995 they’re on eBay.
See a Leica dissected. Found on Petapixel
thats insane!! so many elements!!
very cool. would be fun to see other brands’ lenses alongside these, to see just how much more intricate the Leica’s are.
@Kevin: There’s a neat article on the history of lens design over at LensRentals.com. Basically, almost all SLR lenses are derived from one of six basic designs. There are lots of modifications to address aberrations, but you can trace most lens designs to the same starting points. Each branch of this family tree expresses different typical characteristics that are valuable to separate uses or classes of lens.
Lens Genealogy Part I
http://bit.ly/nDDwz7
Lens Genealogy Part II
http://bit.ly/ppvmDk
Also of interest is this Discovery Channel video on how lenses are made.
http://bit.ly/cHatvO
I used to design lens and mirror mounts for a laboratory microscopy technology, so I’m always impressed at how compact and efficient commercial lenses look in cross section.
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