Shot Arista Prem 100 at camera setting of 400, Help!

[AlyssaRyan]

Hi all! this is my first post and im still fresh with film. I'd appreciate any help!

I shot a whole roll of Arista Premium ISO 100 and forgot to change my camera's ISO from 400 to 100.

How do I fix it in development? I know I underexposed and therefor need to overdevelop but does anyone know the times i need to develop for?

I will be using Kodak D-76 developer and I can either do it stock or 1:1

Thank you!

 

[Thomas Bertilsson]

Hello,

Definitely dilute D76 1:1 to gain some film speed (dilute developer = longer developing time = more shadow detail, which is another combination of words for film speed).

I would say add about 40% to your normal development time and agitate every two minutes.

If the shots on the roll are important to you, shoot another roll at 400 and test with it first. Adjust as necessary.

- Thomas

 

[mesh]

Firstly you can relax - the results will probably be great. It's a film I have pushed one stop quite a few times, and two stops should be fine also. D76 1+1 dev time would be around 9 minutes by my calculations (but please get a second opinion first). The dev chart I use only specs one stop of pushing. I am no expert, but you may want to be fairly light on the agitation to control contrast a bit. Anyway, all will be good, but please wait on some more authoritative advice from more experienced people first ;-)

 

[mesh]

Thomas beat me to the post - that sounds perfect advice to me.

 

[AlyssaRyan]

Thank you so very much Thomas! I appreciate it!

 

[AlyssaRyan]

Thank you mesh! I will get a second opinion but I think you might be right. I appreciate it!

 

[aaronmichael]

I agree with the other user about keeping the agitation down. Increasing development time will boost grain and contrast, but by not agitating so much you can control the contrast a bit. I was going to say add 50% to developing time, but 40% sounds pretty good. Shooting a test roll is a great idea as well.