bruno_menilli Posted September 17, 2003 Share Posted September 17, 2003 Does anyone know what differences can be expected between the 2 lenses mentioned, when used at f/2 and for portraiture in b/w.Regards Bruno Link to comment Share on other sites More sharing options...
harry_soletsky1 Posted September 17, 2003 Share Posted September 17, 2003 For many uses minimal difference. With these old lens condition may be the big limitation. Link to comment Share on other sites More sharing options...
harry_soletsky1 Posted September 17, 2003 Share Posted September 17, 2003 at f2 the Summitar was a big advance, Computer aid was not used for the collapsible Summicron. At f2.0 I doubt I'd see much difference and I've used both lenses. For portraits perhaps the Summicron may be a little sharper and perhaps for portraits that may not be ideal. I'm still not sure you'll see much difference considering all issues. Link to comment Share on other sites More sharing options...
al_kaplan1 Posted September 18, 2003 Share Posted September 18, 2003 ...and persistant rumor is that they started using the Summicron formula before they stopped calling them Summitar. If that's true, and no serial number reference to go by, you might end up comparing apples to apples! Link to comment Share on other sites More sharing options...
________1 Posted September 18, 2003 Share Posted September 18, 2003 Excellent rumour Al! :-) J~ Link to comment Share on other sites More sharing options...
albert_smith Posted September 18, 2003 Share Posted September 18, 2003 Al is not too far off. IAW the Hove Pocket Book (7th edition) there was a period where the Summitar shared the same formula as the Summicron collapsible. These are identified with an * (asterisk) after the Summitar moniker. The book lists a serial number range for two batches of Summitar* (Summicron equivalent) as 812242 to 812323 and 812341 to 812360 from 1950. The official Summicron release was 1953. Both of these lenses, the Summitar* and the Summicron are listed as a single design in the book. Link to comment Share on other sites More sharing options...
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