Series VII Filter

[wlaidlaw]

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On 1/13/2018 at 2:38 PM, lct said:

Leica warns against using UV/IR filters for film. See attachment.

LeicaM_filter_uv-ir_inst_roc.pdf

That file does not open in my system, either Acrobat Reader, Preview or PDF Pen Pro - all say it is corrupted. 

Wilson

 

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[wlaidlaw]

There is some ambiguous filter data on the Forum Wiki. For example for my 24/2.8 Elmarit-R ROM lens, the wiki says Series VIII. This may be required for earlier versions of the lens but mine also has an e60 thread. The only filter where a Series VIII would be an advantage is with a polariser, where the hood which acts as a series VIII filter retainer, has a small wheel at the edge which rotates the filter. This wheel does not rotate the Rodenstock E60 polariser I am using. 

Wilson

[lct]

5 hours ago, wlaidlaw said:

That file does not open in my system, either Acrobat Reader, Preview or PDF Pen Pro - all say it is corrupted. 

Same here. Worked last year though. Another copy:

LeicaM_filter_uv-ir_inst_roc.pdf

[lct]

5 hours ago, wlaidlaw said:

There is some ambiguous filter data on the Forum Wiki. For example for my 24/2.8 Elmarit-R ROM lens, the wiki says Series VIII. This may be required for earlier versions of the lens but mine also has an e60 thread.

According to my Leica catalogue from 1981, the lens has an M 60 x 0.75 filter thread and Series 8 filters to be used with the 12523 hood.

[20HC]

Hello Amaitra, Michael Geschlect and others.

I've just bought an elderly Elmarit-R 90mm f2.8 for use on my SL (still awaiting the adapter). It came with a Series VII retaining ring (marked 'Germany') holding a yellow filter. I've tried to replace the VII with a 55mm (modern) filter which doesn't fit, so I'm assuming an earlier comment about 54.4mm dia. is correct. I'd like to get a clear (UV?) filter as a protector - anyone know where from (UK preferably)?

BTW, I'm using a Nikon 58mm lens cap, attached to the hood rim, for carrying.

[Pyrogallol]

I think what is being said is that you will find that a regular screw in filter of an appropriate size will drop into a series filter holder in place of a plain series filter without a screw thread.

An E39 filter will fit in a series 6 holder if you drop it in upside down, with the screw thread facing outward and a series 7 lenshood I bought recently 12504 had a screw thread filter inside, cannot remember what size it was.. It’s just a matter of finding a filter that fits inside the holder and still allows the retaining ring to be screwed on.

[20HC]

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Sounds like a cunning plan - thanks very much for that idea. I'll report later tomorrow ...

[20HC]

To Pyrogallol - your suggestion has paid dividends, thank you!

The inner diameter of the 14161 ring is just over 50mm. A modern 49mm filter fits snugly, though different filters have different rim thicknesses - thin ones 'rattle' around in the 14161 as it can't be tightened enough. But I robbed another lens of a Hoya Pro1 49mm UV and this is a 'perfect' fit. Problem solved!