This is the 30th post in a series of Nikon D850 tests. The series starts here. There was some discussion in the comments to the previous post about the way I’m presenting the results of the longitudinal chromatic aberration (LoCA) testing when I use the Nikon D850 Focus Shift Shooting (FSS) feature to step the focal… [Read More]

This is the 29th post in a series of Nikon D850 tests. The series starts here. In the preceding three posts, I looked at the on-axis sharpness and longitudinal chromatic aberration (LoCA) of the Sigma 135 mm f/1.8 ART, 85 mm f/1.4 ART, and 105 mm f/2.8 macro lenses on the Nikon D850. Now I’ll do… [Read More]

This is the 28th post in a series of Nikon D850 tests. The series starts here. In the preceding two posts, I looked at the on-axis sharpness and longitudinal chromatic aberration (LoCA) of the Sigma 135 mm f/1.8 ART and 105 mm f/2.8 macro lenses on the Nikon D850. Now I’ll do the same test with… [Read More]

This is the 26th post in a series of Nikon D850 tests. The series starts here. I’ve just purchased a bunch of Sigma lenses, thanks to the D850. Why’s that? It’s a somewhat-complicated chain of reasoning: Because the D850’s Focus Shift Shooting (FSS) feature as the potential to completely change the way I work with static… [Read More]