kenneth_smith7 Posted March 29, 2016 Share Posted March 29, 2016 <p>I have a Goerz Dagor 150mm Series lll, and the filter size appears to be 29mm or 30mm, not sure. Is this a series sized filter? I'm not familiar with the tiny sizes, and I probably will look into step up/down rings. Any ideas on how best to rig this lovely lens? Ample coverage I must admit, better than the Fuji W.</p> Link to comment Share on other sites More sharing options...
nickc1 Posted March 29, 2016 Share Posted March 29, 2016 <p>30.5mm is a standard size for a filter - could it be that?</p> Link to comment Share on other sites More sharing options...
kenneth_smith7 Posted March 29, 2016 Author Share Posted March 29, 2016 <p>Not sure. I do see 29mm and 30mm filters on e- that were for Isolets, Agfas, and other folders. Most were slip on types. I'd prefer a screw in, so I want to be sure of the size.</p> Link to comment Share on other sites More sharing options...
Jochen_S Posted March 29, 2016 Share Posted March 29, 2016 <p>I believe there used to be 29.5 slip ons. - At least the 105mm Heliar on my Bergheil took such. - I modified 30.5mm screw ins to fit there. - Before I'd get adapter rings for bigger filters I'd check how easily accessible my shutter & aperture would remain. - Slip on filters are IMHO nice to have, when you are working with a dimm ground glass on a tripod. </p> Link to comment Share on other sites More sharing options...
thirteenthumbs Posted March 30, 2016 Share Posted March 30, 2016 <p>Measure the Outside Diameter of the lens barrel and get a Series filter slip on adapter for that diameter. A list of Series filter sizes is at http://graflex.org/helpboard/viewtopic.php?t=3324 in the post by pv17vv, series thread diameters in http://www.graflex.org/helpboard/viewtopic.php?t=1727 .<br> Threads in the front edge of the lens are most likely for the element retaining ring.</p> Link to comment Share on other sites More sharing options...
kenneth_smith7 Posted March 30, 2016 Author Share Posted March 30, 2016 <p>Mr. Monday! Thanks again. You've helped me figure things out in the past. All the best.</p> Link to comment Share on other sites More sharing options...
Aoresteen Posted March 30, 2016 Share Posted March 30, 2016 <p>If all else fails SK Grimes can make an adapter to fit what ever you want. Just bring your checkbook :) !</p> Link to comment Share on other sites More sharing options...
kenneth_smith7 Posted March 30, 2016 Author Share Posted March 30, 2016 <p>I think it's a 30mm, so I got a step up ring from Camerafilter.com 30mm-43mm, and picked up a sweet little 43mm on the bay. Good to go with my 1920's 150mm on a reconditioned Tecknika ll 5x7. I guess some of us just like to make things h a r d e r.</p> Link to comment Share on other sites More sharing options...
kenneth_smith7 Posted March 30, 2016 Author Share Posted March 30, 2016 <p>Oh and thanks to Jochen too, good advice to keep an eye on the lens controls.<br> I have nothing to grab for a push on to the front of this lens, its almost flush to the shutter, so I have to start with threads, and I measured to see a 43mm won't get in the way. I could mount it inside too, but then of course with f/6.8 it might be too dark sometimes.</p> Link to comment Share on other sites More sharing options...
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