Ok, so this is new territory for me. In an effort to gain more control over my exposure and development process, I am trying to find my film speed (.1 over film base + fog) for TMAX 400. With the help of a generous forum member here, I now have that determined.

In trying to find my Standard Development Time I have encountered problems. I have adjusted my enlarger so the light barely covers an 8x10 enlargement. My exposure to get any kind of separation between complete black and the next lightest grey tone was 2 seconds at f16. 2 seconds does not sound right to me. My only thought is that setting the enlarger for an 8x10 print may have been suggested when using a 35mm negative and that a 4x5 negative should have a larger projection onto the enlarging easel. Or something else.

Any efforts to help me will receive mucho good karma!

Thanks.