Hi,
Erwin Puts has some interesting images from M9:
http://www.imx.nl/photo/leica/camera/page164/page164.htmlSeveral interesting things:
Color moiré artifacts are really obvious
According to Erwin Puts the M9 resolves about the same as modern 100 ISO BW film. He also compares "Orthopan" and that film wins with a broad margin.
Some personal observations:
- Erwin Puts compared the M9 to the D3X earlier and did find the D3X sharper. It would be interesting to have the D3X involved in the comparison as it does have an optical low pass filter which the M9 does not have.
- Another observation is that the test patterns used are very sensitive to aliasing effects. Norman Koren's sinusoidal patterns may provoke less moiré artifacts from the M9.
- Erwin Puts may be right in digital not surpassing negative BW film, but most people actually shoot color. With film we can choose the sensor (film) for the task with digital we are stuck with the sensor in the camera.
- A final observation is that orthocrhomatic film actually pushes the limits as it is not sensitive to red. So it reduces both chromatic aberration and diffraction, the latter because it's sensitive to light with shorter wave length.
Best regards
Erik