Archived posting to the Leica Users Group, 1997/03/14
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On 14 Mar 97 at 15:38, Simon Ogilvie wrote:
> Also, I've been told that the 90mm f4 lens that is intended for the CL is a
> restricted f2.8 Elmarit, and close examination of the aperture blades seems to
> confirm this. Why would Leica have done this? Someone suggested to me that
> this is something to do with the limitations of the rangefinder, but other
> than a lens physically blocking the rangefinder I can see that any lens could
> be a problem. As the ff Elmar-C is a lot cheaper secondhand than the f2/8
> Elmarit it would seem to be a bargain, especially if it were possible to
> modify the lens in some way to remove the aperture restriction (Willem-Jan?
> :-).
FWIW, I just learned that some cheaper binoculars have a fixed diafragm to
improve optical quality (or better: disguise a lousy one) at the
expense of light transmission and pupil diameter. Sad.
Ah well....just send me the lens and I'll modify it....8-))
Willem (I might end up with some left over parts though) Jan
- --
Bye,
_/ _/ _/_/_/_/_/ _/_/_/_/_/
_/ _/ _/ _/ _/ _/ _/
_/ _/ illem _/ _/ an _/ _/ _/ arkerink
_/_/_/
The desire to understand
is sometimes far less intelligent than
the inability to understand
<w.j.markerink@a1.nl>
[note: 'a-one' & 'en-el'!]