bobwysiwyg
Subscriber
Thanks, this one works. I think my browser didn't like the square brackets around the first link.
This is very intriguing Marco. My pinhole is f256 and takes a 4"x10" piece of film. Do you have any additional data to share? Are your two uploaded images both TMax 400?
How does one arrive at these exposure times?
Generally through lots of failure... and bracketing... and suggestions from others
Would you happen to be in the Bay Area? Or are you in Southern Cal?
The lack of precision in night photography is what frustrates a lot of people--but I love it because it eliminates a lot of sticky technical issues that bother me with my day photography.
2--Taping or otherwise securing film in a holder is a good idea when making long exposures. A possible alternative is rapping or shaking the holder just before putting it in the camera; usually that will "seat" the film adequately. (Doing one or the other of these things is virtually mandatory when doing twilight/full dark double exposures.)
Konical
Perhaps the most satisfying thing about doing night shots is discovering, when the film is processed, something in the scene which went completely unnoticed during the shooting.
Konical
I know how Acros and Delta 400 and HP5+ behave, and most of my shots are in the 5 min to 3 hour range so the fuss about what is faster than what becomes rather moot. Except, as Marco has stated, with TMax 400, but I have never tried it.
Well, I've shot one roll using Sanderson's suggested exposures. I have a question that is eating away at me:
Why is it you can use long exposures at night but during the day, most likely your highlights will get blown out or the entire image is overexposed?
As the King of Siam would say: "It's a puzzlement."
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