[pure-silver] Re: Optimum results pushing 4x5 Tri-x 320 at 800 or 1600iso??
- From: Eric Nelson <emanmb@xxxxxxxxx>
- To: "pure-silver@xxxxxxxxxxxxx" <pure-silver@xxxxxxxxxxxxx>
- Date: Sun, 16 Sep 2012 19:47:54 -0700 (PDT)
I would 2nd that. Night shots with nearly point sources of light make it
really tricky to get any detail in those lights and pushing will make it much
more so.
________________________________
From: Bob Younger <ryounger@xxxxxxxxx>
To: pure-silver@xxxxxxxxxxxxx
Sent: Monday, September 17, 2012 7:59 AM
Subject: [pure-silver] Re: Optimum results pushing 4x5 Tri-x 320 at 800 or
1600iso??
Bogdan,
If it's a building, and nothing's moving, why not just rate it as you normally
would. Night exposures are always a WAG anyway; with deep shadows and
reciprocity, it's mostly just trying to get sufficient info on the film to
develop. If you have a couple of nights left, perhaps the best thing to do is
make a couple of exposures one night, process them; then make what adjustments
you want to make on a second night.
Bob Younger
On Sun, Sep 16, 2012 at 5:06 PM, Bogdan Karasek <BKarasek@xxxxxxxxxxxx> wrote:
Hello,
>
>Needless to say, I got all sorts of contrary opinions as to how high you can
>push the iso of 4x5 TX 320asa and still get satisfactory results??? And what
>developer will give those results?
>
>They are building a new super-hospital campus with several 10-12 story
>buildings, not far from here, 15 minute walk. The sides are still open and
>the work lights are left on at night. Quite the spectacle. I want to catch
>this on the above mentioned 4x5 sheet film, before they close up the walls.
> I'm using a Toyo 4x5 CF with a 127/7.7 Ektar in a Supermatic shutter and a
>monopod. Lens standard set to infinity and use the viewfinder with the #4
>mask and three loaded Grafmatics.
>
>Any opinions dearly welcome.
>
>Cheers,
>Bogdan
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