Photo Art from Science

How to test your lens for centering (or decentering).

Understanding how you can get worse resolution measurements from an FX sensor than a DX sensor.

The pre-AI Nikkor-P C 105mm f/2.5, tested on the D5000, which Nikon specifically states is incompatible with this camera. This lens was the

Review of the classic 55mm macro lens used to film parts of the original Star Wars movie

This Nikkor 18-55 f/3.5-5.6G AF-S review will emphasize the lens MTF50 resolution performance and how well the lens auto-focuses.

Nikkor 55-200 f/4.0-5.6G ED IF AF-S VR review, emphasizing the MTF50 resolution and focus performance.

Most consumer cameras don’t offer focus calibration (auto-focus fine-tune). Resolution comparisons with/without calibration tell the tale.

The Nikkor 50mm f/1.8 AF-D MTF50 resolution measurements and autofocus performance analysis. This nifty fifty really performs.

The Rokinon Aspherical IF MC 8mm f/3.5 fisheye review and MTF50 resolution measurements.

Tokina 11-16 f/2.8 AT-X116 Pro DX lens review with MTF50 resolution measurements. Get this lens.