Archived posting to the Leica Users Group, 2008/09/17

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Subject: [Leica] Quick Comparison: 24 F2.8 ASPH vs F3.8 ASPH
From: red735i at earthlink.net (red735i@earthlink.net)
Date: Wed Sep 17 23:14:59 2008
 
This is a physical specs comparison...

Weight:
  F2.8= 290gm  F3.8 = 240gm
Filter Size:
  F2.8= E55   F3.8 = E46
Length:
  F2.8 = 45mm  F3.8= 40.6mm

The F3.8 has a screw on hood, the F2.8 is a bayonet.

Conclusion... the F3.8 is a bit smaller ( smaller diameter body) , lighter ( 
by 50gm), shorter ( by 5 mm or 1/5 of an inch) , and slower by 2/3 of a stop.

Puts seems inconclusive or not definite in his concllusions about he 
relative image quality.

Not so sure I would swap one for the other....at least it is not clear yet 
what advantage I would get.....

Frank
Replies: Reply from mark at rabinergroup.com (Mark Rabiner) ([Leica] Quick Comparison: 24 F2.8 ASPH vs. F3.8 ASPH)
Reply from msadat at gmail.com (mehrdad) ([Leica] Quick Comparison: 24 F2.8 ASPH vs F3.8 ASPH)