Thursday, December 28, 2006

Frederic Harster

This lovely image was made by Frederic Harster, and is posted here with his permission.

Film: Tri-X
Format 35mm
Dilution: 1:100
Time: 8:00
Temp: 20C/68F
Agitation: Rotary

Thank you, Fred.

Saturday, December 23, 2006

Frederic Harster Photos/ Neopan 400 test

Thank you Fred for sharing your data and images. Scanning is a subject about which I know very little and I appreciate the opportunity to learn from those more experienced than myself.


Fuji Neopan 400

EI : 200
rotary process (CPE2+) @20°C
presoak : 5mn in distilled water
dev time : 8mn (1:100 - for 300ml total)
double fixing bath (4'/3')
wash in distilled water (20mn)

Negatives scanned

Thursday, December 21, 2006

Efke 25

This is photo of my beautiful niece, Bella, at Lake Lowell a few summers back. I was using my wife's Elan 7e and one of those 28-200 zoom lenses, handheld.

Film: Efke 25
Format: 35mm
EI: 25
Dilution: 1:100
Time: 6:00
Temp: 70F
agitation: 0:10/1:00

Sunday, December 17, 2006

Developing Kodak Technical Pan film

Kodak Technical Pan film is a specialized film not intended for pictorial photography, but with appropriate development is capable of excellent results in this application. 510-Pyro is especially well suited to this film, as it enhances sharpness through emulsion tanning and not increased graininess like other acutance developers do. With 510-Pyro the ultrafine grain of TP is retained, allowing enlargements of 20X or more without the appearance of grain, and the liquid smooth gradation of much larger formats.

To make 300ml of working solution, add 1 ml of 510-Pyro concentrate to 300ml of water at 70F, and stir. To make 600ml of working solution, add 2ml of 510-Pyro concentrate to 600ml of water at 70F, and stir. That’s all there is to it!

Optimum development time depends on the contrast of the scene photographed, among other things, so some compensation might be required for scenes of abnormally high or low contrast. For normal scenes, high quality negs can be made by developing TP in 510-Pyro as follows:

EI: 25-40
Dilution: 1:300
Time: 20:00
Temp: 70F
Agitation: continuous for first minute, and 10-15 sec at 10:00 (semi-stand)

Increased agitation frequency will require a corresponding reduction in development time. For normal intermittent development with agitation at 10 sec./minute, develop for 16 minutes.

Saturday, December 16, 2006

Printing stained negatives with VC papers

I'm working on an article describing the special considerations regarding the printing of stained negatives with VC papers, and will post the article here when complete. I hope users of staining developers find it useful.


Happy birthday, Leaf!

Today is my son, Leaf's 15th birthday. Leaf is our youngest, and we're very proud of him. Here's a recent photo of Leaf.
Film: TMX
Format: 35mm
Developer: GSD-10

Pyromaniacs unite!

Hello stained ones.

This is a forum for users and potential users of 510-Pyro to share data, images, and conversation. I take a sensitometric approach to testing, and use Phil Davis' Winplotter software to plot curves and generate data, so much of the information I post will take the form of curves, and curve families, but Zone System data is easily extrapolated and can be provided. I look forward to the contributions of other 510-Pyro users in any form those contributions might take.