Stamp and Coin Collecting
A top-quality handheld magnifier is an essential tool for the amateur or professional philatelist or numismatist.
The Zeiss D8-AR glass, with its aspheric lens design, gives a clear, undistorted view across an entire 2-inch (50mm) field-of-view, just right for viewing stamps and covers.
You may wish to switch to a Zeiss D12+24 multi-lens pocket loupe for close checking of watermarks and errors.
For careful inspection and grading of coins, where the magnifier is often held close to the eye, a Zeiss D20-AR , Zeiss' highest power glass, provides an ideal combination of high magnification and a field-of-view suited to nearly all specimens.
However, if you often deal with silver dollars, gold pieces, or medallions, you may prefer the wider field of view of the Zeiss D16-AR .
For spotting and categorizing the tiny nicks and scratches which affect a coin's grade, your best choice is a Zeiss D40 10-power folding loupe.
Note that a superior Anti-Reflective Coating on your magnifier is particularly important for grading coins since bright light is used.