Photo Art from Science

A detailed review of the Nikkor DX 55-300 f/4.5-5.6G AF-S lens. Includes resolution measurements, infrared testing, and more.

How to analyze your camera lens for longitudinal chromatic aberration. A demonstration using the MTFMapper program.

Autofocus fine-tune calibration shouldn't be necessary with mirrorless cameras. Yet Nikon includes this feature on their Z cameras. Why?

A detailed analysis of the effect of In-body image stabilization (IBIS) while using a tripod. Find out how sharpness is affected.

How the Nikon Z8 pixel-shift shooting can virtually eliminate that nasty aliasing from your photos.

3 ways to locate the proper pivot location (or entrance pupil) to make precision panoramas that eliminate parallax error.

How to measure your lens actual focal length and its field of view. Manufacturers can fudge these numbers, but you can find the truth.

I found a bug in the Nikon Z8, Z9 firmware. Pinpoint AF gets ignored when you assign a button to Cycle AF-area mode in the Custom controls.

Comparison of focus consistency between a DSLR (Nikon D850) and a mirrorless Nikon Z8. Accurate focus equals high resolution, so it matters.

How to use the ON1 editor to add the Moon to photos and make them much more interesting.