Why is DD-X so much more popular than TMax/TMax RS?

Chemically, they're equivalent, no? TMax is cheaper too, so why is DDX the more popular dev?


Maybe people like buying products from Ilford rather then Kodak. Besides that the price difference is only a few cents per litter

Adorama

TMAX I gallon $13.95 =$3.67 per litter
DDX 5 Litters $18.50= $3.70 per litter
 
Maybe people like buying products from Ilford rather then Kodak. Besides that the price difference is only a few cents per litter

Adorama

TMAX I gallon $13.95 =$3.67 per litter
DDX 5 Litters $18.50= $3.70 per litter

Interesting. Not in this part of the world (Australia). From the Vanbar web site (one of the few retailers in this part of the world):

DD-X $48.40 for 4L
T-Max $23.64 for 1USgallon (3.8L)

Prices in Australian dollars (1AUD=0.92USD, but somewhat variable)
 
From a post at photo.net 10 years ago. David Carper was an employee of Ilford back then.

"David Carper , Oct 24, 2004; 11:53 p.m. DD-X is the most similar ILFORD developer to T-Max, but it is still quite different. Speed is similar, with both giving about an extra stop. DD-X is sharper, but T-Max is finer grained (although you won't see a lot of difference until you start pushing). IIRC, DD-X times are a little longer, which should help you be more consistent with it.
David Carper"


Just wondering, if one wanted to dilute TMax developer a little more, would you expect the sharpness to improve?
 
I use T-MaxRS 1+9 but I can't tell if it is sharper than 1+4, I never made any comparison.
At 1+9 it is very economical. I use it for TMY400 and Fuji Neopan 400 and get full box speed on both film.
 
Thanks
I've been using TMax RS because of TMAX400 @1600 and TMZ. Picked up some Delta 3200 and gonna see what happens in DD-X
 
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