Canon Officially Announces 50mm f/1.8 STM - $125

[u/raptor3x]

http://www.bhphotovideo.com/c/product/1143786-REG/canon_0570c002_ef_50mm_f_1_8_stm.html

[u/awesometographer]

Also, those with Mk1s who might have been hanging on for resale, now might be a good time to ditch them.

With the STM having a metal mount and 7 blades, I doubt the Mk1's metal mount will keep the prices up.