Ralf Loi wrote:
><<
>With the availability of the observatory at my university, I've decided
>to try my hand at astrophotography. I understand that the old tech pan
>film was some of the most desireable, but with it having been
>discontinued, what are some other good choices for both monochrome and
>color? Something without major reciprocity failure in long exposures. . .
>
>
>
>Charles,
>
>the choice of film depends also on what you are trying to shot.
>Generally speaking, most of the bw film are not too sensitive to the red,
>where is the peak brightness of nebulae.
>One notable exception is TP 2415, both red sensitive and of low reciprocity
>defect.
>For galaxies and star clusters you could also use Tri-X pushed to 1600 asa.
>For color film one good choice is Ektachrome 200 Professional
>wich I used in the near past (I don't know if it has the same name now).
>It can be pushed 1 or 2 stop with very good results.
>One film that can also be good reading the specs is Provia 100F, but I
>don't have used it.
>When I have some time I should post some photos obtained mainly with a
>135mm.
>
>Ralf Loi
>
Thanks for the info Ralf. And please do post some of those photos.
That is one thing I like to see on this list is links to a lot of photos
by a lot of different people.
Charles
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