Originally Posted by Zewrak 
And most of them with average to crap quality! 
I have wondered why there is very little Soligor glass on the used market now. Maybe they all fell apart? Strangely though, back in the late 60's and early 70's, Soligor was a major player in the 3rd-party lens market second to Vivitar. Apparently they had good marketing and/or pricing.