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series 7 UV/IR filter solution for 35 summilux pre-asph


rhythm

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I am completely at loss as to what to do. I looked into adapters and what not and finally found a filter on bhphoto.com for 164 dollars.

 

Then I read this thread,

 

39mm to Series 7 on Summilux pre-ASPH - Photo.net Leica and Rangefinders Forum

 

saying you can use a 49mm filter and I am confused how this works?

 

My assumption is people have unscrewed the front hood off the base and screwed in a 49mm filter backwards onto the hood base and then screwed the hood onto the back of the filter?

 

Any help would be greatly appreciated!

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I've tried this with a 49mm filter and it works. My experience is that the filer fits best in the hood if you place it face down in the hood.

 

With this lens you should be careful with the light baffle behind the rearmost element. It sticks out a little too far (at least on some of them) so that when you approach infinity focus, the baffle catches on something in the lens throat of the M8 making you having to apply force to push the focus ring all the way to infinity. This is not a problem on film Ms and shouldn't be an issue on the M9.

 

Carl

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  • 1 month later...
I think it's simply filed away... but glass of rear element is so next to that is better not to try a DIY operation.

 

Based on the estimate Leica CS came back with after looking at my lens I would say they're replacing it rather then modifying the old baffle (an email to CS should give a definitive answer). Mine needed a CLA too so it is a bit hard hard to tell what is what. The Norwegian distributor sent in to Solms on March 5th. Eight weeks later it is still not back.

 

Carl

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Yes, the BW 486 49mm filter fits the 12504 hood very well. It doesn't screw in at all, it's just that it's the proper diameter and just sits there, tensioned by the hood screwing together. It does fit better backwards, but this is fine, you can also put a very tiny rubber band around the thread edges before locking down to have a very solid setup, as solid as a Leitz VII UV filter in there, which I have in a different non-M8 12504 hood.

 

Also, have a 12504 with a Hoya R72 filter encased. Same method. Works great.

 

I am completely at loss as to what to do. I looked into adapters and what not and finally found a filter on bhphoto.com for 164 dollars.

 

Then I read this thread,

 

39mm to Series 7 on Summilux pre-ASPH - Photo.net Leica and Rangefinders Forum

 

saying you can use a 49mm filter and I am confused how this works?

 

My assumption is people have unscrewed the front hood off the base and screwed in a 49mm filter backwards onto the hood base and then screwed the hood onto the back of the filter?

 

Any help would be greatly appreciated!

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