Re: Nighttime and astrophotography with IR

[George L Smyth <GLSmyth@xxxxxxx>]

RECTOR TRAVIS ARTHU wrote:
> 
> The problem, however, is that IR films (as far as
> I can tell) are much too slow, even Kodak HIE.  For some "normal"
> films this can be overcome with gas-hypering; and some films simply
> have excellent reciprocity failure characteristics.  Does anyone
> have experience with gas-hypering of IR films or know of the reciprocity
> characteristics?

Just a word that you may well find HIE too grainy for your purposes. 
This is why gas-hypered TechPan is the best way to go (I don't have
experience with gas-hypering HIE).

george

-- 
 Handmade Photographic Images     
  http://www2.ari.net/glsmyth

------------------------------

Topic No. 2