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Re: [Rollei] OT A drop in speed of Delta 3200

On 2003.05.29 18:17 Mark Rabiner wrote:

> I expected it to be like Kodak's T-Max P3200 and really be 1600 in
> most developers.
> I shot 5 or 6 rolls at 1600 and realized the shadows were not cutting
> it. Not there enough.
> So i added another half stop bringing my film speed to ISO 1200. This
> did the trick.
> Trouble is that's only giving you a stop and a half above 400 speed
> films.
> It's not 220 and it's lots of money.

My tests in the past have shown a true speed for Delta 3200 around
ISO 1000/31.  It is possible to get a little more speed by using
a "speed increasing" developer.  I have not used T-Max 3200, but
from my reading it has a true speed around ISO 800/30.

- ---
Richard Urmonas
rurmonas  .au