Pentax 6x7 - 150mm f/2.8
Pentax 67 - 55mm f/4
Canon 24mm TS-e f/3.5
Pentax 6x7 150mm f/2.8-Mono
Gradient posterizing apparent on uploaded JPEG, saved as sRGB in Photoshop CS5
Gradient Mitigation Test
Soft Grain at 22%
Test Shot with Pentax 67 165mm LS lens