Hibbs R.I.P. Charlie Local time 11:08 AM Joined Mar 13, 2004 Messages 303 Location Vancouver, BC View My Gallery Oct 20, 2009 #1 I think I have read that the 50 2.8 is a Tessar design...but I have also read that the 50 1.9 is derived from a Sonnar. The Serenar 50 1.9 has 6 elements in 4 groups...does that make it a modified Gauss design? A Gauss/Planar hybred? If anyone can shed some light...that'd be great. ~ Hibbs
I think I have read that the 50 2.8 is a Tessar design...but I have also read that the 50 1.9 is derived from a Sonnar. The Serenar 50 1.9 has 6 elements in 4 groups...does that make it a modified Gauss design? A Gauss/Planar hybred? If anyone can shed some light...that'd be great. ~ Hibbs
ferider Veteran Local time 3:08 AM Joined May 18, 2005 Messages 11,221 View My Gallery Oct 20, 2009 #2 The 50/1.9 is a clean double Gauss design. The 50/1.5 is a Sonnar.
Hibbs R.I.P. Charlie Local time 11:08 AM Joined Mar 13, 2004 Messages 303 Location Vancouver, BC View My Gallery Oct 24, 2009 #3 Thanks ferider...this helps. ~ Hibbs