jamesdak Posted April 8, 2008 Share Posted April 8, 2008 I want to purchase an APO 180/3.4 to handle my midrange telephoto landscape work. I know there are the two versions of filter mounts but can't find much info on the series 7.5. Can someone educate me on that. For the most part I want to be able to mount a standard 77mm circular polarizer on the lens. What will it take to do this if I buy a series 7.5 lens? Link to comment Share on other sites More sharing options...
steven_moseley1 Posted April 8, 2008 Share Posted April 8, 2008 ...why not just buy the E60 60mm filter version? less hassle. Link to comment Share on other sites More sharing options...
ronald_moravec1 Posted April 8, 2008 Share Posted April 8, 2008 B+W will make the filter special order for you. In fact they will make a series filters special order. I have many. Link to comment Share on other sites More sharing options...
MTC Photography Posted April 8, 2008 Share Posted April 8, 2008 The inner diameter of the lens hood is 60.6mm,I think you may have trouble mounting a 77mm cir polarizer on APO 180/3.4. <P> Series 7.5 filter has no thread, you need a Leitz 14222 7.5 filter holder to hold it<P><div></div> Link to comment Share on other sites More sharing options...
jamesdak Posted April 8, 2008 Author Share Posted April 8, 2008 Thanks for the quick responses and especially the pictures. A little more info. I picked up a 90/2.8 and 135/2.8 for $300 a few months ago. Both are series 7 anyway so I already have this to deal with. There aren't too many 180/3.4 out there for sale so I wanted all options covered versus the two versions. Oh, and when I use step up rings to mount my 77mm polarizer on other lens I have a few different screw on rubber hoods I attach to the filter itself. Good to know B&W will make the custom filters, thanks all! Link to comment Share on other sites More sharing options...
jamesdak Posted April 8, 2008 Author Share Posted April 8, 2008 B+W list series 7 filters in stock. I take it there is a difference though from the series 7.5. Is that correct? thanks Link to comment Share on other sites More sharing options...
doug herr Posted April 8, 2008 Share Posted April 8, 2008 Series 7 is not the same as Series 7.5. Consider step-up rings: I use a 54mm-to-55mm step-up ring on my 90mm Summicron-R so that I can use a standard 55mm circular polarizing filter. Link to comment Share on other sites More sharing options...
rafael_macia Posted April 8, 2008 Share Posted April 8, 2008 Does anyone know the B&H contact information? Link to comment Share on other sites More sharing options...
MTC Photography Posted April 13, 2008 Share Posted April 13, 2008 Series 7 is used on Leitz Elmarit 90/2.8 ver I, with Leitz adapter 14161R Link to comment Share on other sites More sharing options...
mohir_ali Posted April 13, 2008 Share Posted April 13, 2008 What possible benefit are series filters and retainer rings over threaded ones? I had a SWC that was supposed to take ser VIII filters, but I could get 67s to fit. Link to comment Share on other sites More sharing options...
MTC Photography Posted April 13, 2008 Share Posted April 13, 2008 Unlike threaded filter,series filter adapter has no female thread, this prevents stacking of multiple filters and lower the lens resolution. Link to comment Share on other sites More sharing options...
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