jobo expert without processor

[Dave Moeller]

Thanks for the ideas. I'll open it up and watch how it works...given what I see and the hints you've offered, I should be able to figure it out.

[Emil Ems]

Ron,

Just a short follow-up question:

Which dilution of Rodinal did you use, and which quantity of that diluted developer for 8 4x5 sheets or 2 8x10 sheets?

[Ron Marshall]

Ron,

Just a short follow-up question:

Which dilution of Rodinal did you use, and which quantity of that diluted developer for 8 4x5 sheets or 2 8x10 sheets?

I used 1:25, which worked nicely. 10ml of concentrate is required for 80 square inches of film (four 4x5 sheets).

For 8 sheets you need 20ml of concentrate. 25 x 20 ml = 500ml so for 1:25 you need 20ml of Rodinal and 500ml of water.

[venchka]

I used 1:25, which worked nicely. 10ml of concentrate is required for 80 square inches of film (four 4x5 sheets).

For 8 sheets you need 20ml of concentrate. 25 x 20 ml = 500ml so for 1:25 you need 20ml of Rodinal and 480ml of water.

Correct me if I'm wrong. Always a posibility where math & science & me is concerned.

I thought that 1:25 meant, in this case, 20ml Rodinal x 25 = 500ml water. Or 520ml total.

Isn't 20ml Rodinal + 480ml water = 1:24? Hardly an issue, 1:24 vs. 1:25. Just curious for the sake of accuracy.

[venchka]

In lay terms, I was right?

[Ron Marshall]

In lay terms, I was right?

Yes, you are correct, thanks for reminding me! The ratio is concentrate: water.

[Geert]

A pair of upside-down rollerskate make a perfect roller base. I bet all of you still have a pair in the basement somewhere.

But I moslty use a CPE II (besides a CPA IIplus that gets used very seldom). Of course the crown heads of the Pro tanks don't fit but I managed to atach magnets to the base.

G