This category deals with optical measurements including photometry and radiometry. For help choosing between these two sub-categories, see this diagram (or full page) showing the corresponding sets of measurement-units, and their interrelations. For all other sub-categories, see below.
This category has the following 5 subcategories, out of 5 total.
The following 36 pages are in this category, out of 36 total. This list may not reflect recent changes.
This category deals with optical measurements including photometry and radiometry. For help choosing between these two sub-categories, see this diagram (or full page) showing the corresponding sets of measurement-units, and their interrelations. For all other sub-categories, see below.
This category has the following 5 subcategories, out of 5 total.
The following 36 pages are in this category, out of 36 total. This list may not reflect recent changes.