Archived posting to the Leica Users Group, 2007/01/16

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]
Subject: [Leica] 28 vignette
From: red735i at earthlink.net (Frank Filippone)
Date: Tue Jan 16 21:29:29 2007
References: <322EB138-3451-42BA-83B9-FD7D8261AD05@comcast.net><000a01c736c1$979d1270$6401a8c0@FrankDell2><8EB3FBCD-FF39-4930-93CF-60B557CDEDB9@comcast.net><001401c736d5$2ad3dc50$6401a8c0@FrankDell2><4095A8A6-0331-4330-ACB2-B052AB82BE4C@comcast.net><00a701c737f3$0c0e68c0$6401a8c0@FrankDell2><6DB4B82F-A597-4D12-BAE0-86F368605BA9@comcast.net><00ae01c73807$cd464710$6401a8c0@FrankDell2><5ACED518-149C-4809-A403-631FDD7C0C5B@comcast.net><00c101c7384f$2c9d8100$6401a8c0@FrankDell2><3DF91CBA-8205-420B-A160-49884CBF823D@comcast.net><00c501c73862$f7d1f0f0$6401a8c0@FrankDell2><4CC763DA-184E-415F-A40D-223D83786402@comcast.net><001401c738fb$a83b3df0$6501a8c0@asus930><709DDA85-43B3-4853-952D-3A71637CFA81@mac.com><p06230929c1d2bf7e49ed@[10.1.16.144]> <01d001c739b1$a9c345d0$6401a8c0@FrankDell2>
 
OK.. I took a look....  The Zeiss Biogon 28/2.8 vs the Leica ASPH Elmarit 
28/2.8.

By looking at the charts of MTF at full open ( F2.8):   It looks like the 
Leica lens is far superior.... less fall off.
At F5.6 .......same conclusion....


I do not read these charts well, so I could be wrong, but it appears the 
Leica lens is a better performer for light falloff in the
corners......

I also looked at the F2 ASPH Summicron......The Leica lens still looks 
better......

So, if one were interested in vignetting being minimized, Either Leica lens 
would outperform the Zeiss Biogon.

Frank Filippone
red735i@earthlink.net
Replies: Reply from hoppyman at bigpond.net.au (G Hopkinson) ([Leica] 28 vignette)
Reply from gregj.lorenzo at shaw.ca (GREG LORENZO) ([Leica] 28 vignette)
 In reply to: Message from len-1 at comcast.net (Leonard Taupier) ([Leica] 400mm f6.8 Telyt problem)
Message from len-1 at comcast.net (Leonard Taupier) ([Leica] 400mm f6.8 Telyt problem)
Message from hoppyman at bigpond.net.au (G Hopkinson) ([Leica] 400mm f6.8 Telyt problem)
Message from imagist3 at mac.com (Lottermoser George) ([Leica] 28 vignette)
Message from henningw at archiphoto.com (Henning Wulff) ([Leica] 28 vignette)
Message from red735i at earthlink.net (Frank Filippone) ([Leica] 28 vignette)