very rare and expensive lens found.. need help :)

Started Feb 23, 2013 | Discussions thread
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freekyguy007
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very rare and expensive lens found.. need help :)
Feb 23, 2013

hello guyz,

i found out this rare "schneider-kreuznach componon-s 2.8/50" in my nearby scrap shop.. looked great so picked it up without hesitation. glass is pristine.... it is an enlarger lens and it fits on the m39 mount..i have the m39 adapter... 
i havent used any enlarger lenses before .. this is new to me.. my frnd told me i have to get an extension tube to focus with it.....
http://www.schneiderkreuznach.com/fileadmin/user_upload/bu_industrial_solutions/industrieoptik/Unifoc_Lenses/V-Mount_Macro-Lenses/Componon-S_2.8-50.pdf
help is appreciated guys 



PS: also found this lens . which mount i dont knowww..

reverse of the lens

thanku guyz

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