Signs of overheated B&W when developed?

[peter k.]

What are the signs of overheated B&W film.. when developed?
In this case specific case Arista 400 shot @ 200 are like fogged. No image at all as far as can tell, but there drying, so haven't really inspected them closely.

 

[MattKing]

Are you asking about film that was exposed to excess heat, and then processed normally?
Or are you asking about film that was stored and used at appropriate temperatures, and then developed in developer at too high a heat?

 

[peter k.]

That's a very good question... the film was exposed to excess heat in my truck, in its thin camera bag, and then shot and processed normally.
Just check the camera.. MF it seems to be firing correctly.. Developed in D76 1:1.. @72* for 6:45 minutes,

 

[peter k.]

Looking a t Negs via scanning, very weird.. one was shot at f11 and the other f8... it looks like light mist in a very dark foggy night.. hmmm
let me go check...
Yep, Da.. totally out of focus. Was taking a close shot, and adjusted focus via rangefinder on 2x3 speed, but ,,, was to close for lens, so range finder says ur good, but ground glass, which was not checked, says get real, back up ya dummy..
Will try again... hahaha..but the question is still a good one and would love to know.

 

[MattKing]

Heat related fog is one possible result of over-heating film.
But it can take a lot of heat to make much of a difference with 35mm black and white film.
For 120, backing paper and wrapper offset problems can also result from heat - just ask Kodak.....

 

[Sirius Glass]

+1

 

[removed account4]

For 120, backing paper and wrapper offset problems can also result from heat - just ask Kodak.....

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