hans_s_derstr_m Posted March 26, 2004 Share Posted March 26, 2004 Hi all,With my latest lens a filter came along. It has the engravings ERNST LEITZ WETZLAR GERMANY, and is marked CR1.5. Dimensions are 39 mm. Colour slightly brownish. Is it a skylight (I don't think so though), or what? How is it best used? Does it require exposure compensation?Glad for any input on this!GreetingsHans Link to comment Share on other sites More sharing options...
ant_nio_ferreira Posted March 26, 2004 Share Posted March 26, 2004 B&W uses that code for skylight filters. It must be the case for that filter as well. Link to comment Share on other sites More sharing options...
working camera Posted March 26, 2004 Share Posted March 26, 2004 CR1.5 is indeed the B+W designation for a skylight filter. B+W are part of Scheider Kreutznach and have, as I understand made filters for Leica. I cannot find my B+W catalogue so visit their web site for exact technical details. A simple google should find it. Hope this helps, Craig Link to comment Share on other sites More sharing options...
kaiblanke Posted March 26, 2004 Share Posted March 26, 2004 Indeed these are the standard skylight filters from B+W. The CR or KR 1.5 is equivalent to a skylight 1A. I have them also, one currently on top of the Rokkor-M 40/2 in my bag. <p> You might click <a href="http://www.schneideroptics.com/filters/filters_for_still_photography/uv_&_warming/"> here </a> to read the schneider explanation of the different filter types. Link to comment Share on other sites More sharing options...
patricks Posted March 26, 2004 Share Posted March 26, 2004 good link kai! Link to comment Share on other sites More sharing options...
hans_s_derstr_m Posted March 26, 2004 Author Share Posted March 26, 2004 Thanks all for your responses. I'm convinced now it's a skylight. It was just that it deviated from another skylight I have that is definitly pink while the CR1.5 is more in the direction of brown. By the way: Hej Patrick! Link to comment Share on other sites More sharing options...
ivan_g Posted March 26, 2004 Share Posted March 26, 2004 Hej Hans! Good with some swedes on the leica-part of the photo.net. Vi hörs! Ivan g (of sweden) Link to comment Share on other sites More sharing options...
thomas_krantz3 Posted March 29, 2004 Share Posted March 29, 2004 CR 1,5 means "Correction Red" factor 1,5 and is somewhat more coloured than a normal skylight which is factor 1,0. Link to comment Share on other sites More sharing options...
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