I am just a simple hobbyist, and with my lens collection growing - just purchased a used 35L ... I would like to think that I need or I should downsize now. But a good copy of siggy 30 1.4 and 85 1.8? I hardly use my 85 1.8 and siggy might end up the same. I keep telling myself keep them for "back up" - such good copies, hard to let go. My 100 2.8, decided to keep it for sure for just in case I want macro shots...
I even have the sekonic L-358 never had the chance to use it, reading the manual was the farthest I've gone on this one.
So do you guys, keep some of your lenses even though you hardly use anymore? When do u decide to sell? Pls convince me to sell the items above 





