Contributed by Paul Janosi
[EDITORS Note: Correct exposure has become nearly a religious issue with the advent of the "expose to the right" mantra for many raw shooters. But not everyone sees exposure the same way. Thanks to newsletter reader Paul Janosi for contributing this article with his thoughts on tuning exposure on your high-end D-SLR and even more importantly his meticulous technique for fine tuning your AF system for use with your long lenses and Teleconverters. I tried it with my 200-400f/4 and my TC-14E (both of which had just been serviced and aligned by Nikon) and found that indeed a correction to AF improved the sharpness of my images noticeably--David]