Ask your local Altman dealer forI'm considering trying to find a replacement lens that will fit...
Part# 18-1011 , 4-7/16 X 2-1/2 x 6-1/2F Conza [902-24,DYNA-24] FF-504 , (MSRP a/o 11/08: $80.00).
There's also a more expensive conza lens for the 1000Q that WILL NOT work. Don't get that one.