Re: IR spherical panorama

["Willem-Jan Markerink" <w.j.markerink@xxxxx>]

On 16 Oct 00 at 11:50, Ben Kreunen wrote:

> 
> >I can make you both a #89B and #87C too, internal/circular foil
> >filter, to be attached between the standard (UV) screw filter and the
> >barrel....still have the cutting dies laying around....;))
> >(the only practical use right now is for cutting polaroids....also
> >recommended....:))
> 
> Now there's a useful place for an IR filter  ;-)  It wouldn't worry me that 
> I couldn't see through the lens since I don't look through it anyway for 
> these panoramas (you shoot everything so there's no need for 
> framing).  Catch is you have to remember to check the focus and make sure 
> the lens is clean.  Shot a few panoramas focussed at 30cm 
> before...  doesn't work too well.  I'll try this out later with Kodak film.

I don't think focus is convenient with even a #25 either....these 
circular fisheyes are *very* difficult to focus visually....
And of course, you will look on the distance scale anyway, for the 
IR-correction....;))
 
> >My Kowa 19mm/f4.5 circular fisheye for 6x6 is heaps better....but
> >that one is from a different era; 'quality and damn the
> >cost/weight/size'....
> 
> OK, now I'm drooling.  I've produced a partial panorama using my SWC and 
> love the extra quality of medium format.  4kgs is a bit heavy for hiking 
> though but a circular fisheye definitely makes these panoramas easier to 
> shoot and put together. I've considered the 30mm blad lens but it's a wee 
> bit expensive to get new.

Or mount a 37mm/f4.5 Mamiya on a 4x5" Speed Graflex (or any other 
4x5" camera with shutter), and still have a circular fisheye....:))
One more much cheaper, with slightly less image circle (80-85mm, vs the 
90-95mm of the Mamiya) is the Kiev 30mm (I can get you one for 
US$175-250)....and as a full-frame fisheye, you only need a cheap 
Kiev 60 (88 is less reliable, unless modified, which makes the price 
less interesting), or an Exacta 66....
 

--                 
Bye,

Willem-Jan Markerink

      The desire to understand 
is sometimes far less intelligent than
     the inability to understand

<w.j.markerink@xxxxx>
[note: 'a-one' & 'en-el'!]
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