Re: Focus corrected IR-filter (was: Another New Subscriber

["Steve Midgley" <smidgley@xxxxxxxxx>]

I have an appointment to go through the remaining Rollei stock of the store
I managed tomorrow. I will post the availability of the IR filters here
Thursday night. 

----------
> From: jdgoff@xxxxxxxx
> To: smidgley@xxxxxxxxx
> Subject: Re: Focus corrected IR-filter (was: Another New Subscriber
> Date: Wednesday, December 11, 1996 6:02 AM
> 
> 
> IAt 12:40 AM 12/9/96 +0000, you wrote:
> >I will go down tomorrow and look through the inventory that was left
when
> >the shop I managed went out of business. I am almost certain that there
are
> >some Rollei IR filters there. While not quite rare, they are uncommon
and
> >not cheap. As I recall, a mint condition Bay I IR filter with the little
> >leather case (and maybe the original box) sold for $40. Anyway, I'll see
> >what is there and post to the group, as others may be interested.
> >
> I am very interested and would be willing to pay that amount for one.
Thanks
> James Goff 
> jdgoff@xxxxxxxx
> >----------
> >> From: jdgoff@xxxxxxxx
> >> To: smidgley@xxxxxxxxx
> >> Subject: Re: Focus corrected IR-filter (was: Another New Subscriber
> >> Date: Sunday, December 08, 1996 11:35 AM
> >> 
> >> At 02:58 PM 12/8/96 +0000, you wrote:
> >> >On  8 Dec 96 at 1:57, Steve Midgley wrote:
> >> >
> >> >>     My equipment ranges from 35mm to 8x10 but my favorite camera
for
> >> >> infrared is the twin lens Rollei - I can use the Rollei infrared
> >filter
> >> >> (which is focus corrected for IR) and still be able to see to
compose
> >and
> >> >> focus. 
> >> >
> >> >I once bought such a Rollei focus-corrected filter, but I be damned 
> >> >if I can see any effect other than color (color equals a Wratten
#89B, 
> >> >see the IR-filter list on my homepage).
> >> >All tricks and methods to prove it is concave or convex in whatever 
> >> >direction were in vain. And I do have the Rollei manual/instructions 
> >> >that once again confirm the focus claim.
> >> >Yet Rollei Germany is also baffled when I ask them about it, they say

> >> >such a focus corrected filter never existed....
> >> >It *can* be made they said, but would be quite expensive.
> >> >Would love to get more info on this!
> >> >
> >> >
> >> I have a small booklet that was packed with the Rollei I purchased in
> >1952
> >> that clearly described the IR filter as focus corrected. I have never
> >seen
> >> one, but have been on the look-out for one for the last year. I
suspect
> >they
> >> would be expensive and rare. If affordable, this filter would help in
one
> >> way I use the Rollei with IR. I make panoramic photos using the Rollei
> >Pan
> >> head. It would be nice to frame/focus through the upper lens without
the
> >> bother of mounting/unmounting a filter for each shot in the
> >series...James
> >> >
> >> >--
> >> >Bye,
> >> >
> >> >       _/      _/       _/_/_/_/_/       _/_/_/_/_/
> >> >     _/  _/  _/               _/       _/  _/  _/
> >> >     _/  _/ illem    _/     _/ an    _/  _/  _/ arkerink
> >> >                     _/_/_/  
> >> >
> >> >
> >> >
> >> >      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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Topic No. 9