Archived posting to the Leica Users Group, 1998/09/19

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Subject: Re: [Leica] Lens wt vs finish->Now question about titanium
From: Dan Cardish <dcardish@microtec.net>
Date: Sat, 19 Sep 1998 14:42:44 -0400

I have been told that titanium is no more coslty than steel, and not any
more difficult to machine.

Dan C.

At 01:03 PM 19-09-98 -0600, you wrote:
>>Mark Walberg wrote:
>>>
>>> So,then, the titanium ones are titanium over brass?  Why do they have
>>> to make them titanium over brass instead of straight titanium.
>>
>>I can think of two reasons: First, titanium is a difficult material to
>>work with.  I don't know for sure, but I suspect that making lens
>>barrels out of the stuff is not the easiest task to tackle.
>>Secondly, Leica equipment is quite expensive enough.  If they were to
>>make lenses out of pure titanium, the end product would probably have
>>a price tag larger than some smaller countries' fiscal budget.
>>Not to mention what the price of a lens hood would be... ;)
>>Martin V. Howard, Application Systems Laboratory,     |
>>Dept. of Comp. & Info. Sci., Linkoping University,    | Just DOHH it!
>>SE-581 83 Linkoping, Sweden.  Tel +46 13 282 421,     +----------------+
>>Fax +46 13 142 231; marho@ida.liu.se; www.ida.liu.se/~marho
>
>Well, maybe Martin.  However, many bicycles have titanium parts.  Pedal
>axles, various bolts, even whole frames are built and machined from
>titanium.  They have become very popular.  Such frames contain a few pounds
>of titanium.  -Mark Walberg
>
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