Ilford Ilfotec DD-X Film Developer - 1 Liter 35MM 120MM some graphic arts films and

some graphic arts films and some glass plates

thus the focal length is changed by pushing or pulling the focusing ring and the lens length is changing at the same time

Repeat for Part B

Shutter speed range 1 sec to 1/1000 plus B

PEC-12 removes grease pencil

Ilford Ilfotec DD-X Film Developer - 1 Liter 35MM 120MM some graphic arts films andIlford Ilfotec DD X developer is an excellent fine grain developer which gives full film speed. Correctly exposed negatives developed in Ilfotec DD X have a full range of tones, with depth in the shadows, a smooth transition through the mid tones and bright detailed highlights. It is designed to complement the features of all Ilford films. Features Fine grain developer giving full film speed Full range of tones Liquid Dilute 1: 4