Custom Film Testing - Part II

Forum statistics

Threads
183,176
Messages
2,539,875
Members
95,759
Latest member
Arne Lin
Recent bookmarks
0

Eric Jones

Member
Joined
Oct 5, 2004
Messages
124
Location
Los Angeles
Format
Multi Format
So, I did a series of custom film tests using the following procedure:

1. Exposed 5 Sheets of Fuji Acros with a Stouffer 31-step wedge.
2. Developed in BTZS Tubes in Clayton F76+ (1+9) at 4,5.5,8,11,16 minutes respectively.
3. Read and hand plotted the resulting negs with a X-Rite 810 Densitometer.

The results produced the following Average Gradient assuming an ES of 1.2:

4 minutes - 0.60
5.5 minutes - 0.66
8 minutes - 0.92
11 minutes - 1.06
16 minutes - didn't bother to plot due to the high average gradients.

So, my question is should I cut the concentration of developer in half to say (1+19) to get some more reasonable average gradients for higher contrast scenes? Any help or direction would be appreciated.

Thanks
 

Kirk Keyes

Member
Joined
Jun 17, 2004
Messages
3,234
Location
Portland, OR
Format
4x5 Format
Sure - do a dilution of the developer as you suggested. That will get you some lower gradients.
 
Photrio.com contains affiliate links to products. We may receive a commission for purchases made through these links.
To read our full affiliate disclosure statement please click Here.

PHOTRIO PARTNERS EQUALLY FUNDING OUR COMMUNITY:



Ilford ADOX Freestyle Photographic Stearman Press Weldon Color Lab Blue Moon Camera & Machine
Top Bottom