peter_galea Posted October 8, 2003 Share Posted October 8, 2003 I have searched the archives and everything I can find is written about the 12" f6.8 Commercial Ektar. The lens I have is a 12" f4.5Ektar serial #RS 118. From CAMEROSITY it is a 1957 lens coated due to the L in a circle. My questions are: How does this lens compare to a "Commercial"? And, given the bigger f-stop was it made to be shot wide open as portrait lens? Link to comment Share on other sites More sharing options...
kelly_flanigan1 Posted October 8, 2003 Share Posted October 8, 2003 Probably a fine piece of glass; is your lens in shutter? My 300mm F4.5 Xenar is in barrel; and is huge. Link to comment Share on other sites More sharing options...
peter_galea Posted October 8, 2003 Author Share Posted October 8, 2003 Yes Kelly, it 's in a No. 5 Universal Synchro. It is a monster. Link to comment Share on other sites More sharing options...
ole_tjugen Posted October 8, 2003 Share Posted October 8, 2003 An Ektar lens can be just about any construction, but is likely to be good. The large f/4.5 aperture indicates a Tessar-type construction, in which case it's likely to be _very_ good. The big opening doesn't mean that it's made to be shot wide open, but you'll find that it's a very easy lens to focus even in very poor light. I use a 300mm/f:4.5 Xenar too, in a Compound #5 shutter. A great lens in more than one way ;) Link to comment Share on other sites More sharing options...
thirteenthumbs Posted October 8, 2003 Share Posted October 8, 2003 This graphic.org article has some information on Ektar lens: http://www.graflex.org/speed-graphic/lenses.html#EktarLenses . I do not know how up-to-date this info is, but it does lend insite: http://www.photographics.com/products/subgroup.cfm?subgroupID=293&sid=71924620031008213903.660897712 Link to comment Share on other sites More sharing options...
thirteenthumbs Posted October 8, 2003 Share Posted October 8, 2003 The previous http://www.photographics.com/ doesn't work so at the home page click on "large format" then on "Kodak Cameras" then "Kodak lens in shutters". Link to comment Share on other sites More sharing options...
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