[W&B] Magic Lantern Lens vs. Petzval Portrait Lens

[Christopher Wright]

mz,

Yes! Please!

Christopher Wright

What would focus on for your piece?





At 4:24 PM -0800 1/28/08, Milan Zahorcak wrote:
>
>There are differences between ML and PL (ohh!, I like the 
>abbreviations).  Both are Petzval designs, but use determines 
>whether  optimized for infinity focus, or obviously, projection. 
>But hard to see the difference if you do either with the other.
>
>Physical characteristics, at first glance, I'd guess it's an ML. 
>Short hood (angle for projection) and that simple knob.
>
>I could do a piece on portrait vs projection lenses - anyone interested?
>
>mz
>
>
>
>
>
>-----Original Message-----
>From: woodandbrass-bounces at kjsl.com 
>[mailto:woodandbrass-bounces at kjsl.com] On Behalf Of DColucci at aol.com
>Sent: Monday, January 28, 2008 9:32 AM
>To: woodandbrass at kjsl.com
>Subject: [W&B] Magic Lantern Lens vs. Petzval Portrait Lens
>
>ok, I got this lens today and it is indeed a Petzval design with 2 
>groups, 4 elements with the rear elements "spaced" with a ring. 
>Only trouble is there is NO provision for any stops.  I do know that 
>Darlot ( in the 1880's at  least )  made portrait lenses without 
>provision for stops - but those were advertised for Magic Lantern 
>use.  I also think I recall that some very early Portrait Lenses 
>didn't come with provisions for stops as they were just meant to be 
>used wide open.. so what do I have here, a Portrait lens or a ML 
>lens  ?
>
>Thanks
>Dan
>
><http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=140199480134&ssPageName=STRK:MEWN:IT&ih=004>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=140199480134&ssPageName=STRK:MEWN:IT&ih=004
>
>
>
>PS -  ( there are no markings on it )
>
>
>
>
>Start the year off right. 
><http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489>Easy 
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