I have owned the 400-5.6 and rented the 100-400.. I preferred the prime.. Super lens, but not for low light unless you enjoy cranking the ISO.. I went with the Sigma 120-300-2.8 with the 1.4X and am very pleased..
Jan 25, 2012 at 11:54 AM
Previous versions of oldrattler's message #10279585 « Prime 400 or 100-400 zoom? »
