[Leica] T-adapter for Leica M?

[hlritter at bex.net (Howard Ritter)]

Does anyone know if a T-adapter is available for the M mount? There  
are accessories made for adapting cameras to telescopes for  
astrophotography, but they generally require a T-adapter. The M8, with  
its extended red (IR) sensitivity, would seem ideally suited to making  
astrophotos in hydrogen-alpha light, which is deep red. In fact, there  
are people who will modify Canon DSLRs by removing the IR-cut filter  
for exactly this type of work. So the M8 should be well suited to this.

But I need the T-adapter.

?howard