Re: 70mm BW IR -Reply

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

On  1 Apr 98 at 16:02, Jason Revell (in5) wrote:

> Just a quick question while we are on the subject of 70mm film.
> I am looking at trying to get a 70mm back for my RB but would
> first like to have an idea how many exposures I would get from
> a roll?

54 according to Mamiya, but this also depends on film thickness, and 
since HIE is thin Estar, you might squeeze 60-65 out of a full 
cannister.
Btw, are you looking for used backs?
I might know one or two for about US$450....I believe new price is 
US$900 or more.
Personally I am about to finish my long term Mamiya 
project....started with one single 70mm back, found another one for a 
good price, and added a 37mm fisheye last year. Now I finally scored 
a body this month....I knew there was something missing inbetween....:-))
I will now start dreaming about IR-corrected Mamiya APO 
tele's....;-))

Btw2: if anyone sees surplus 70mm film, regardless of emulsion, 
please send me a note. Old color IR (IE, in E-4 cq EA-5) would be 
very nice, since my 70mm lab can still handle the old process.

Btw3: I might have a Linhof 70mm loader available soon, for US$125. 
Designed to load from bulk roll to cartridge (with friction clamp to 
slow down the bulk roll from unreeling like toiletpaper), but also 
accepts the Kindermann SS development reel for loading from cartridge 
to reel. It also accepts at least 400 feet rolls, while the Alden 
daylight loader only takes 100'.

Btw4: did you check the FAQ on 70mm infrared by Jim Henderson on my 
homepage? (URL below)


- -- 
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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