This is the 15th post in a series of Nikon D850 tests. The series starts here. As a follow-up to the CDAF images in the previous post, I made a series of phase-detection autofocus (PDAF) images of my three-level target. The target uses a pattern devised by Horshack at the central AF point, which should give… [Read More]
Nikon 58/1.4 on D850, LoCA and CDAF
This is the 14th post in a series of Nikon D850 tests. The series starts here. I dedicated to try another lens than the 105/1.4 on the D850 and see if the autofocus (AF) behavior changed. I chose the 58 mm f/1.4. I first ran a set of runs using the Focus Shift Shooting feature of… [Read More]
Nikon D850 MF and AF-tune
This is the 12th post in a series of Nikon D850 tests. The series starts here. The D850 has a tuning feature for the phase detection autofocus (PDAF). For the contrast detection autofocus (CDAF) no tuning is necessary or possible. The PDAF tuning works like this: Manually focus on a target at your chosen aperture and… [Read More]
Comparing D850 105/1.4 AF with MF results
This is the 11th post in a series of Nikon D850 tests. The series starts here. Yesterday I showed how the Focus Shift Shooting feature on the D850 can allow you to get close to the best possible focus (to really nail it, the steps would have to be smaller than the smallest the D850 allows)…. [Read More]
Nikon D850 focus shift with 105/1.4
This is the tenth post in a series of Nikon D850 tests. The series starts here. The D850 has a feature that will allow the camera to do automatic focus bracketing with AF lenses. You focus the camera to the minimum distance that you want, tell it how many steps and the (not absolute) distance between… [Read More]