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2023-03-21 In Science, Things do not “work” Unless the Evidence Can be Consistently and Repeatedly Shown to Support the Claim

2023-03-08 A Few Doctors So Cocksure about COVID Jab that Medical Battery on Children is Rationalized

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2021-03-15 Reader Comment: Fujifilm GFX100S/GFX100 Focus Stepping / Focus Stacking FOCUS BKT Algorithmic Error? Far Too Many Tightly-Focused Frames

2020-03-21 Aperture Series: Painting of Idyllic Ocean on Burned-Out Van

2020-03-21 Voigtlander 50mm f/2 APO-Lanthar Aperture Series: Painting of Idyllic Ocean on Burned-Out Van Door (Sony A7R IV)

2017-10-06 Aperture Series + Focus Stack: Precocious Cluster of Yellow Aspen Leaves

2017-10-06 Sigma 14mm f/1.8 DG HSM Art Aperture Series: Precocious Cluster of Yellow Aspen Leaves

2015-07-08 Reader Question: Diffraction

2014-09-08 Depth of Field for Otus 85/1.4 APO-Planar

2014-05-03 Delay in Depth of Field by Double-Image Bokeh

2014-05-03 Delay in Depth of Field by Color Divergence

2013-07-26 Leica 35mm f/1.4 Summilux-M ASPH: Glacial Erratics and Focus Placement (Leica M Typ 240)

2010-08-15 Glossary

2010-08-15 Resolving to the Sensor Resolution

2010-08-15 Circle Of Confusion

2010-01-10 Depth of Field Is Oh-So-Shallow

2010-01-09 Depth of field: the shorter focal-length advantage