Support our Sponsors, they keep FADU free:   AG Photographic   The Imaging Warehouse   Process Supplies   RH Designs   Second-hand Darkroom Supplies  

Notices

Go Back   Film and Darkroom User > General discussions > Photography in general

  ***   Click here for the FADU 2015/2014 Yearbooks   ***

Reply
 
Thread Tools Search this Thread Display Modes
  #1  
Old 11th April 2022, 12:09 PM
Terry S Terry S is offline
Friend
 
Join Date: Dec 2011
Location: Southend on Sea, Essex, England, UK
Posts: 3,797
Default Denser negs with too much developer used

Over the weekend I developed a roll of HP5+ in home mixed ID11 /D76.

Using the last of it in the bottle, I realised that I didn't have enough for a 1+1 dilution, which is my usual go to. Having loaded the film of 120, I checked the MDC and used it at the 1+3 dilution. The chart's 1+1 dilution recommendations normally gives me negs that are just right for me to print, so I was happy to follow the 1+3 recommended time.

Upon unreeling the negatives, I noticed them to be quite a bit overdeveloped, with the rebate being denser than normal.

Then it came to me, I had loaded a 35mm film, but had used enough developer to develop a roll of 120. A roll of either 35mm or 120, with a 1+1 dilution is quoted at 13 minutes and 1+3 is quoted at 20 minutes, with the developer at 20C.

So, are the times for 1+3 too long, or does using more developer than required, over develop a film?

Terry S
Reply With Quote
  #2  
Old 11th April 2022, 01:18 PM
Molli Molli is offline
Friend
 
Join Date: Oct 2014
Location: Victoria, Australia
Posts: 149
Default

The dilution rate would equate to the same ratio of water to developer regardless of whether you poured in 500ml for 120 film or 300ml for 35mm,wouldn't it? Or am I thinking about this the wrong way?
I've used that dilution before with D76 - and for the very same reason, but I don't recall my developing time being that long. I'll try and dig up my notes - it was a few years back.
Reply With Quote
  #3  
Old 11th April 2022, 01:28 PM
Molli Molli is offline
Friend
 
Join Date: Oct 2014
Location: Victoria, Australia
Posts: 149
Default

Okay, I have no empirical help to offer as I see that the film I did this with was Fuji Neopan 400. 1+1 is 9min 30sec. 1+3 is 15min.

Having just developed my first roll of HP5+ in 35mm, I do have to say that I find the rebate garish and overly busy with that barcode like pattern.

I'm used to the Neopan - clear, concise and elegant, or Tri-X which, in 35mm, gives me annoyingly dull edge markings. HP5+ in 35mm is VERY bright and busy by comparison, but I'm guessing you're used to that?
Reply With Quote
  #4  
Old 11th April 2022, 01:35 PM
Terry S Terry S is offline
Friend
 
Join Date: Dec 2011
Location: Southend on Sea, Essex, England, UK
Posts: 3,797
Default

Quote:
Originally Posted by Molli View Post
The dilution rate would equate to the same ratio of water to developer regardless of whether you poured in 500ml for 120 film or 300ml for 35mm,wouldn't it? Or am I thinking about this the wrong way?
Thanks for the posts Molli.

And yes, that's the way that I thought as well, but I'm waiting for someone to tell me different. I'll have to make sure I know which film I'm developing next time, which would help I'm sure!

Terry S
Reply With Quote
  #5  
Old 11th April 2022, 01:48 PM
Molli Molli is offline
Friend
 
Join Date: Oct 2014
Location: Victoria, Australia
Posts: 149
Default

I exposed and developed a roll of Fuji Acros 100 a few years ago thinking it was Shanghai GP3 100.
So, first I massively overexposed a lot of them because GP3 has excessively bad reciprocity failure - and, of course, I wanted to make use of that as a "feature" not a bug. Acros needs no correction out to two minutes. Oops.
Then I came home and developed it for fourteen minutes instead of the 10m30sec needed for Acros.

From memory, I believe I had to use the light from an arc welder's blowtorch to print from those negatives 😁

Live and learn!
Reply With Quote
  #6  
Old 11th April 2022, 01:59 PM
MartyNL's Avatar
MartyNL MartyNL is offline
Friend
 
Join Date: Sep 2010
Location: based in The Netherlands
Posts: 3,341
Default

Based on what you've told us Terry, I'm tempted to ask about how the film was metered and exposured?
__________________
MartyNL

“Reaching a creative state of mind thru positive action
is considered preferable to waiting for inspiration.”
- Minor White, 1950
Reply With Quote
  #7  
Old 11th April 2022, 02:07 PM
alexmuir alexmuir is offline
Friend
 
Join Date: Jan 2010
Location: Glasgow, Scotland.
Posts: 2,668
Default

I normally develop 35mm films in 500ml solution. It shouldn’t make any difference to the density.
Alex


Sent from my iPhone using Tapatalk Pro
Reply With Quote
  #8  
Old 11th April 2022, 05:01 PM
Mike O'Pray Mike O'Pray is offline
Friend
 
Join Date: Oct 2008
Location: Daventry, Northants
Posts: 8,969
Default

Well the MDC times are what Ilford gives at 1+3 but you may know this anyway, Terry. I agree with the others that what you did should not have resulted in dense negatives unless the exposure was more than it should have been

If previous home-made ID11 gave OK negs with HP5+ then has anything changed such as camera, meter etc to affect the exposure given?

Mike
Reply With Quote
  #9  
Old 11th April 2022, 05:34 PM
MartyNL's Avatar
MartyNL MartyNL is offline
Friend
 
Join Date: Sep 2010
Location: based in The Netherlands
Posts: 3,341
Default

This may seem far fetched Terry, but when you brew your own developers, have you noticed any increase in development activity, as you reach the end of the bottle?

Does the mixture become 'heavier' towards the bottom of the container during storage?

Do you mix the developer thoroughly before each use?
__________________
MartyNL

“Reaching a creative state of mind thru positive action
is considered preferable to waiting for inspiration.”
- Minor White, 1950
Reply With Quote
  #10  
Old 11th April 2022, 06:12 PM
alexmuir alexmuir is offline
Friend
 
Join Date: Jan 2010
Location: Glasgow, Scotland.
Posts: 2,668
Default

Increased development should produce very dense highlights, but the shadows should look fairly normal. Over exposure will make the whole negative look dense. Depending on the range of tones in your negatives, it should be possible to work out which effect you are seeing.
Alex


Sent from my iPhone using Tapatalk Pro
Reply With Quote
Reply
Support our Sponsors, they keep FADU free:   AG Photographic   The Imaging Warehouse   Process Supplies   RH Designs   Second-hand Darkroom Supplies  

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Fried Negs Anyone. vanannan Auctions of Interest 1 11th October 2014 07:56 PM
Streaky Negs CornishPaul Monochrome Film 33 5th April 2012 04:24 PM
Negs that work, negs that don't Steve O Monochrome printing techniques 13 15th May 2011 08:36 PM
Milky Negs Again HopALong Photography in general 38 2nd November 2010 09:22 PM
Acutance developer or fine grain developer mark d Monochrome Film 18 7th September 2010 08:50 AM


All times are GMT. The time now is 10:05 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.