My Personal Developing Testings
Unless stated otherwise, all testing performed on Pentax 67 II with 105mm f/2.4. Developed using a Jobo CPE2+ and results measured with Digital Densitometer II by Atomic Devices
11/09/04
Arista EDU 100
- Ilford Perceptol 1:3
- ISO 40
- 75F @ 11.5 Minutes
1/18/05
Arista EDU 400
- Ilford Perceptol 1:3
- ISO 100
- 75F @ 19 Minutes, Zone VIII = 1.12. Will not increase no matter how much I increase development.
11/09/04
Agfa APX 100
- Ilford Perceptol 1:3
- ISO 40
- 75F @ 17.5-18 Minutes
Updated:
01/18/05
- Agfa APX 100 + Ilford Perceptol 1:3
- ISO 64
- 75F @ 19.00-19.5 Minutes
11/09/04 - Incomplete (retest)
Ilford Pan F
- Ilford Perceptol 1:3
- ISO 20
- 75F @ 10 Minutes
- Zone VIII = 1.14 - Retest for 11.5 - 12 Minutes
01/09/04
Tmax 400
- Ilford Perceptol 1:3
- ISO 200
- 75F @ 12.5 Minutes
01/09/04 - Incomplete (retest)
Tri-X 400
- Ilford Perceptol 1:3
- ISO 160
- 75F @ 10 M
- Zone VIII 1.12, Retest for 12 - 12.5 Minutes
Efke PL100 (Ilford Perceptol)
- Tested with Cambo Legend 4x5 with 6-inch Symmetrigon Computar f/6.3.
- 7-inch extension for infinity focus.
- 1/250 @ f/8 for Zone I @ ISO 64
- 1/8 @ f/8 for Zone VIII @ ISO 64
- Illumination onto white board with two 100 watts tungsten modeling lamp.
- Spot metered with Pentax V Digital (non modified meter).
- Ilford Perceptol @ 75F / 1:3
Normal
- 4x5 Sheet
- 270ml Jobo - 75F
- 5 Min prerinse
- ISO 80
- 75F @ 24.5 Minutes
N-1
- 75F @ 15 Minutes
- Zone VIII to VII @ 1.05
- ISO 50
The storyline:
01/31/05
- Microdol-X 1:3 for 12 Minutes, ISO 50 at .12 above FB+F. Although Zone VIII comes out at .98 density. Will be retesting time for 15 min. ISO 64 with the increase of development time, Zone I's density will more than likely hit ISO 64 or so. Will retest for ISO 64 and 80 and more time!
02/01/05
- I increased the development time to 15 minutes where Zone VIII still fell at a density of 1.04. I said hell with it and retested it for 20 minutes. I thought I would be way over, but to my surprise, it came out with a density of 1.20! Still short, but only by 0.05. That's good enough for me! I'm only aiming for 1.25 to 1.30. Lets conclude this at 22 Minutes and be done with it! Lovely.
02/15/05
- I intended on doing an N+1 on this negative, so I tried to develop it for 25 minutes. It turns out that it gave me a perfect density of N, rather. Density of .11 for Zone I and 1.30 for Zone VIII. I'll cut the normal time down to 24.5 and call it a day! Hopefully this should be the final result. How can it not be???
Efke PL100 (Kodak HC-110)
03/28/05
- Tested with Shen Hao 4x5 with 8-inch (210mm) Nikkor W 5.6
- Illumination onto white board with two 100 watts tungsten modeling lamp.
- Spot metered with Pentax V Digital (non modified meter).
- HC110 @ 70F / 1:7 from stock (1:30 from concentrate). 35ml HC110 and fill to capacity to make 270ml.
Normal
- 5 Min Pre-rinse
- 9.5 Min developer
- ISO 80
N+1
(04/10/05)
- 5 Min Pre-rinse
- 18 Min developer
- ISO 100
J&C 100 (Ilford Perceptol)
02/14/05
- Tested with Cambo Legend 4x5 with 6-inch Symmetrigon Computar f/6.3.
- 7-inch extension for infinity focus.
- Illumination onto white board with two 100 watts tungsten modeling lamp.
- Spot metered with Pentax V Digital (non modified meter).
- Ilford Perceptol @ 75F / 1:3
Normal
- 4x5 Sheet
- 270ml Jobo - 75F
- 5 Min prerinse
- ISO 80
- 75F @ 13.5 Minutes
J&C 100 (Kodak HC-110)
03/14/05
- Tested with Cambo Legend 4x5 with 8-inch (210mm) Nikkor W 5.6
- 9-inch extension for infinity focus.
- Illumination onto white board with two 100 watts tungsten modeling lamp.
- Spot metered with Pentax V Digital (non modified meter).
- HC110 @ 70F / 1:7 from stock (1:30 from concentrate). 35ml HC110 and fill to capacity to make 270ml.
Normal
- 4x5 Sheet
- 270ml Jobo - 70F
- 5 Min prerinse
- ISO 80
- 7 Minutes
Arista EDU 200 (Kodak HC-110)
03/28/05
- Tested with Shen Hao 4x5 with 8-inch (210mm) Nikkor W 5.6
- Illumination onto white board with two 100 watts tungsten modeling lamp.
- Spot metered with Pentax V Digital (non modified meter).
- HC110 @ 70F / 1:7 from stock (1:30 from concentrate). 35ml HC110 and fill to capacity to make 270ml.
Normal
- 5 Min prerinse
- 8.5 Min developer
- ISO 100
N+1
(04/10/05)
- 5 Min Prerinse
- 19 Min
- ISO 250