Caffenol rebirth : week 3

I am pushing my luck by trying the my brew from two weeks ago again this Sunday.

First things first, shooting a bit of film. The weather is not improving and I did not had a chance to shoot much this past week. So this morning I loaded the old Agfa Isolette with a roll of Rollei 80s (my favourite film) and hit the road in direction of Arab street with a detour by Little India to finish the roll of Acros I processed last week.

The Agfa uncouple rangefinder is no longer working so distance are guestimated. I also use the EM-01 KEKS light meter.

For processing I used the two week sold Caffenol stored in a green bottle in the shade at ambient temperature (more or  less 28 C). I think it turned out quite well (5 minutes processing at 28 degrees, 30 second inversions then 3 inversions every minute). The negatives are of average thickness, maybe I could have added 30 seconds. The caffenol is now old and this is the 3rd film processed with this batch.

I made a fatal mistake by wiping the film with my kitchen towel, lot of dust I had to clone in Photoshop. I will have to find how to do this properly. The fixer is starting o have some deposit. Maybe it wont last after the next couple of films.

Plans for next roll is to start a new batch of caffenol to see if the process is repeatable.

Caffenol rebirth : week 3

Caffenol Rebirth : perseverare humanum est

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We roll models

So what happened since last post and the “Caffenol rebirth” ; well nothing much happened in town nor to myself, so I shot half a roll of Fuji Across, mostly Saturday

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Lonely dinner

Last Sunday I pour my Caffenol in a bottle of green glass (Perrier) and kept in just in case.

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Gelato

So tonight I was restless and I decide to give Caffenol another try.

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Buddha Tooth Relic Temple
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Time for a nap
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or catching up with th enews
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Chinatown is her catwalk

As I did not finish my roll, I opened the Leica M4 in the dark, fiddle a bit with the film and managed to cut a 1 cm lead for the rest of the roll and unload the 22 first shots from the camera. I then loaded it in the Paterson tank and proceed as last week.

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The lovely newly weds from China
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That way

Massive Development chart give me again 6’44 @ 28 deg, for 100 ISO Accross, the Tri-x was overcooked last week, but that was 400ISO, so I though that I should give it a try, but actually I emptied the tank at 6’14.

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Time for a trim
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Double ciggie break

The film is still dense, but can be seen through in normal light. Probably some of this is due to the coffee coloration (I can see if is brownish), so for the next 12 shost I will cut the time down by maybe another 30 or 45 seconds.

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Social distancing
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Orchard back-light

I kept the Caffenol again, I read you can keep for 6 or 8 weeks. Without being so extreme, if I can use one batch for my monthly shooting this changes the economics of it totally, at 2$ a roll this is a no brainer. Plus it is amazing to have all the products ready and go through the motion in about 45 minutes.

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My new fav model

Ok so now I’ve been through this roll what is the conclusion. It looks quite good for what it is, no reticulation, reasonable grain, the contrast is quite good.

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Walking in the sunshine

This was also measured using my new Keks EM01 ligh meter.

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A COVID hero back from work
Caffenol Rebirth : perseverare humanum est

CAFFENOL Re-birth.

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7 years after my last failed experiments I am back again toying with Caffenol to process my black and white film. Do not try to figure out why I do not use standard methods, I cannot myself.

This time again I have put all the odds against me, I found a box of 5 year expired Fomapan P fixer in the cupboard, I shot the Caffenol unfriendly Kodak Tri-X on the Leica IIIc with the unreliable Summitar 50 and the new Chinese meter offered by a friend (more on this later).

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The set-up

From my past experiments I have a kitchen scale and a Patterson cuve, and some weights to hold the film when drying. (I just had to buy a 4$ battery for the scale)

Testing the fixer

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I found this idea on the internet to test the fixer by taking a piece of unexposed film, I cut the lead of a new roll found in the box, and drop it in the fixer (not the developer just right into the fixer) and let it sit a few minutes : it should go totally clear if the fixer still work as they should. Mine did so I should be covered from that angle.

I used in the past a recipe for stand development, but today I will try the Caffenol-C-M, recipe, the first on the http://caffenol.blogspot.com website.

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Testing the developer :

I planned to test the developer with one of the following two test cases, but actually after discussing with my assistant (my son), we decided that anyway we will not be able to resist trying the film whatever the result of the test is. Anyway here are the test cases:

  1. Test 1: once again I cut the leader of a roll and drop one into your developer and let it sit a few minutes then drop in your fixer and let it sit for a few minutes. It should turn all black.(as this part is generally over exposed), advantage is that you can use the lead of the roll you want to process.
  2. Test 2: use a piece of unexposed film, say, a few frames from the beginning of a fresh roll and make sure it’s loaded in the dark. Process as you should, you should see the frame numbers and DX codes along the sprocket holes develop and the unexposed frames should develop to be clear.

 

The process:

The chemicals:

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For one liter the recipe is to mix in order :

54 grams of washing-soda (Harm Brand 8$ for 1 kg)
16 grams of Vitamine C ( crap from Guardian 13$)
40 grams of instant coffee (Netscafe Classic 10$)

Time and temperature

This is the difficult bit, the original recipe gives 15 minutes at 20 °C for 100 ISO film. Digi

tal truth ( https://www.digitaltruth.com/devchart.php?doc=timetemp) helps converting this to my 28 deg average temperature for 6’44 @ 28 deg, for 100 ISO. ISO 400 should be shorter, but the same site gives you roughly the same duration. SO i settled for 7 minutes

Here we go

  • Pre-soak 5 minutes (this step is optional, but it is relaxing)
  • Pour the developer
  • Agitation first 30 seconds, then 3 times each minute.
  • Stop:

– Fill and invert the tank 5 times
– refill and invert the tank 10 times
– refill and invert the tank 20 times
– refill and invert the tank 30 times

  • Fix: 5 minutes
  • Rinse

– Fill and invert the tank 5 times
– refill and invert the tank 10 times
– refill and invert the tank 20 times
– refill and invert the tank 30 times with a drop of washing up soap

Results

  • the negatives are dense but images can be seen when back lighted and scanned with the Epson v800

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A few more samples

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Doggie goes for a walk
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Over the counter of the Japanese restaurant
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Hans Im Gluck birch trees

Where it goes wrong

The problem often reported for Caffenol is that the chemicals are not reliable, for instance, my coffee is a mix of Robusta and Arabica, where the active compound is more present in the robusta, so 100% robusta would be better. My Vitamin C contains sugar and flavoring which impact is hard to guess.

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Anything new?

Where to go from here

My film is over developed, so I already have some plans for the next roll : shorter time ( it was suggested to cut by 25%), or try the same recipe for a 100 ISO film, or cut the coffee.

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The ubiquitous Grab Food rider

Money wise

I can do 5 batches with my Vitamin C + coffee, with 2 films per batch. You probably have to factor in 0.5$ a roll for Fixer, 0.4$ for the soda, if you are discounting the water you will be around 3.5 to 4 $, definitely cheap. 5 rolls would cover the 7$ a roll I pay to the lab for processing, so if you like the result its worth trying.

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Kiss
CAFFENOL Re-birth.

The lock down roll

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Banana-ah-ah

This is not actually a full roll of the lock-down, I did not shoot much and probably on the first 20 frames of this roll.

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Cooking for take away only

This is a roll of Kodak Tri-x shot with the Leica M6 classic and the Summicron 35mm Asph vII.

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Deserted hawker center

The first part of the roll was taken on a Saturday around lunch time in the Balestier area. Shops were half closed, hawkers were deserted and the rare shoppers wearing masks.

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The masked shopper

Little traffic rare cyclist allowed not to ear masked while ridding, life seemed to have come to a halt under the scorching sun. We had dreadful weather for a while, but the day I go out at lunchtime with a 400 ISO film, I am forced to shoot at F1/500 and F16.

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The unmasked rider

There is always a nice outcome : I stumbled across the coffee shop below, I first stopped to take a shot (the symmetry of the arrangement caught my eye), then the chord bring the entry puzzled me and finally I bought some coffee. I usually use some arabica in my old Moka machine but they sell only robusta. In the end for a bit more than 5SGD for 250 grams that was a ok deal.

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The old style coffee shop

Of course life is full of encounters, an sometime you meet fellow Leica Shooters

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Another M6 with 50mm cron

I am no sure that Grab food riders made a fortune during the lock-down (my good sense tells me otherwise), but they were ubiquitous during the period and thanks to them we managed to have entertaining food at our table. (Thanks guys and gals).

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The ubiquitous Grab food rider
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Hawker at work
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Tiger’s haunt
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The other unmasked rider

As no many activity goes on to finish the film I walked the places where people were going out to exercise or just take a bit of fresh air while respecting the prescribed social distancing procedures. It is funny how here again  you meet some acquaintances.

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A well known Leica figure caught during his jogging (hard to resist)

The Singapore river was usually packed with joggers and cyclist, we  will surely do great at next Olympics when they eventually happen. The Marina Bay Area, though not empty was really a lot quieter that it used to be.

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Sorry ladies can you get out of my the view
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MBS in black and white

Skaters did had much problems crossing big roads carelessly.

The last few shots where taken after the lock down when we entered what was known as phase 1 and now phase 2. More freedom to roam around, retail shops reopening, still as nothing exceptional is happening, back to my usual vice : random shots of people in the streets, preferably with masks.

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Hope you enjoyed the roll. I manage 38 shots on this roll again, unfortunately the process suffers from reticulation (same as the one I took a couple of month back ), I ll tell about it to the photo shop and maybe i ll try to process the films myself going forward.

 

The lock down roll