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Re: [OM] Reversed Cine Lens (was OM Bellows)

Subject: Re: [OM] Reversed Cine Lens (was OM Bellows)
From: Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx>
Date: Fri, 09 Jan 2009 16:33:42 +1100
Thanks for that info Jay !

...Wayne


> Jay Drew <dreaded@xxxxxxxxxxx> wrote:
> 
> Wayne raised the question as to what cine lens did I use (reversed) on 
> my
> bellows (and extension tubes).
> 
> It was basically choosing a cine lens that would provide an easy 
> mounting
> scheme.  What I wanted was a lens that had threaded ring that I would 
> guess
> enabled a drop in filter to be inserted and then the ring screwed back 
> in to
> hold that filter in place.
> 
> My method of mounting was to take the female portion of a metal 49mm 
> filter
> stack cap and make hole in the center of it that would accommodate the 
> threaded
> male portion of the cine filter capture section.  I then was able to 
> screw the
> lens and filter holder together pinching the stack cap between the two 
> pieces.
> I then use a 49mm reverse mount and screw the cine/stack cap onto it, 
> and mount
> that onto the bellows/tubes what have you.
> 
> I use a Wollensak Raptar 9mm, 6.5mm and a Wittnauer Chronostar at 13mm.  
> The
> Wittnauer was 8 bucks at a surplus store.
> 
> The 6.5mm is really difficult to deal with, the depth of field is just 
> about
> nothing.  The 13mm on my 65-116 tube was giving me a 9X magnification.  
> 
> Maybe Dean Hansen will pipe up, we traded notes once and he mentioned 
> using an
> Elgeet 7mm reversed and getting 12x directly on the camera.  I've got 
> the
> distinct feeling he's gotten much higher quality shots than I have.
> 
> The price is a lot cheaper than a 38mm or a 20mm, but you do lose the 
> auto
> diaphragm and the quality is not superb.  Lighting is tough.  But it is 
> cheap.
> I got the idea from John Shaw's book Closeups in Nature.
> 
> Jay
> 
> Hand me my costume 
> Please won't you pass me my mask
> I have appointments I must keep with my past.
>  
> Bill Nelson - Beauty Secrets
> 
> 
> -- 
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Wayne Harridge

http://lrh.structuregraphs.com
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