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7" dagor cells
I guess this might be a question for Richard...
I have both the front and rear cell for a 7" goerz double-anastigmat (seriesIII no.2)....i dont have the barrel for it..just the cells. the lens threads are 45mm, any ideas on what kind of shutter i might look out for to put these in? does anyone else have this lens? wondering how theirs is mounted? I have used sk grimes once in the past to remount a barrel lens into a shutter and their work was excellent, just wondering if its worth trying to save a bit of money first before I consider sending it off to the grimes boys? -andrew |
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Andrew Frith wrote in message ...
I guess this might be a question for Richard... I have both the front and rear cell for a 7" goerz double-anastigmat (seriesIII no.2)....i dont have the barrel for it..just the cells. the lens threads are 45mm, any ideas on what kind of shutter i might look out for to put these in? does anyone else have this lens? wondering how theirs is mounted? I have used sk grimes once in the past to remount a barrel lens into a shutter and their work was excellent, just wondering if its worth trying to save a bit of money first before I consider sending it off to the grimes boys? -andrew It's hard to know where to start. A good 7" Dagor is a fine lens. It also appeals to me to try to put it to good use. Mine is mounted in a Rapax shutter and has excellent performance. Still, I see a few problems with your project. A very basic problem is that my lens looks rather poor and only cost $50. Whether the effort you spend to find the excellent work you will need to make a proper installation exceeds the work you would have to do to find an inexpensive Dagor already mounted is a point to consider. Also consider you need to address a quality control issue. Is yours an excellent Dagor? Can you test it before investing in all the work? If you find a lens assembled in a shutter it is not much work to test it before agreeing to a purchase (assuming the seller is willing). One temptation would be to find the shutter you need on the used market (perhaps with damaged cells already installed). A trap here is that I notice that sometimes Dagors come with different threads (for example, I have 2, 8.25" Dagors with different threads). You may also wish to note that my 7" Dagor has about 35.5mm threads on the rear element and 40.5 mm on the front element. This suggests to me that a Rapax would not necessarily be the ideal shutter for your lens. |
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