Re: How about the new Heliar 15mm (Cosina) for 360 deg pan ?

[Robert Durn <Robert.Durn@xxxxxxxxx>]

I have used enlarger lens flanges 39mm to mount Leica lenses on home made
cameras
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>From: Sofjan@xxxxxxx
>To: panorama-l@xxxxxxxxxxxxxxxxx
>Subject: How about the new Heliar 15mm (Cosina) for 360 deg pan ?
>Date: Thu, Feb 10, 2000, 2:40 am
>

>
> Hey guys i just got my hand on a 15mm Heliar from Voightlander (cosina)
lens 
>along with the body. My firrt 5 rolls of film blow my minds away. It is
very 
>very good lens. Very Contrasty.  But with probably 1/2 to 1 stop light fall

>of at the edge. Very sharp lens too. 
>And it i rectilinear. all in a very small package. 
>
>    I'm thinking of mounting it in the 360 deg larscan amera to replace the

>17mm tokina. 
>   My consideration is It is a whole lot smaller.  15mm and rectilinear . 
>
> Now my problem . Since  Heliar is not retrofocus design the rear element 
>stick into the camera body. So i cannot mount the lens to the body via rear

>lens cap. 
>Question. What thread is the leica screw mount ???  I know it is 39 mm but 
>what pitch ?  
> Any easier solution of getting the mounting plate cheap ?  
>Machining one out of thick metal is probably not going to be cheap. and i 
>don't think extension tube is available for leica screw mount ,Or is it ?? 
>
>   
>   Thank you in advance.
>Sofjan mustopoh
>
>