Re: [lojban-beginners] what can be lenjo2 if not lo gusni?

[Pierre Abbat <phma@bezitopo.org>]

On Sunday, October 12, 2014 11:27:03 Gleki Arxokuna wrote:
> ti lenjo lo gusni lo darno
> This lens focusing light has a long focal length.
> 
> Correct?
> 
> Now what about lenjo2?
> 
> lenjo = x1 is a lens/glass [focussing shape/form] focussing x2 to
> focus/foci x3 by means/material x4. (adjective:) x1 is optical; focussing
> may be optical or otherwise, hence x2 which may be light, sound, X-ray,
> etc., default is light/optical lens; ka is refraction. See also kacma,
> minra.
> 
> Can it be other than {LE gusni}?

Sound, as mentioned in the note. I've seen a drawing of a sound lens 
consisting of a block of one material (metal?) with a nearly hemispherical 
hole on the face filled with another material (water?).

Pierre
-- 
.i toljundi do .ibabo mi'afra tu'a do
.ibabo damba do .ibabo do jinga
.icu'u la ma'atman.

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