http://www.symmetrymagazine.org/sites/default/files/images/standard/LSST_filter_switch_loop.gif http://www.symmetrymagazine.org/sites/default/files/images/s...

http://www.symmetrymagazine.org/sites/default/files/images/standard/LSST_filter_switch_loop.gif http://www.symmetrymagazine.org/sites/default/files/images/s... Wow, is it just me, or is that design just needlessly complicated. I'm trying very hard to think of a good reason why they did that, but really can't. Anyone?