Before opera glasses became a social prop, the monocular was how serious observers watched the stage: one eye, full attention, no peripheral distraction. Leica's Monovid 8x25 revives that discipline in a cylinder of diamond-pattern leather and phase-corrected glass that fits in a jacket pocket. The 8x magnification and 25mm objective deliver edge-to-edge clarity without chromatic aberration, waterproofed to 16.5 feet and nitrogen-purged against fogging. A screw-on close-up lens, stowed in the leather carry case, shifts focus to objects as near as 10 inches, turning it from a distance tool into something closer to a macro lens, useful for reading a menu in a dark restaurant or studying brushwork in a gallery. The same HDC coatings Leica uses across its camera optics maximize light transmission and color accuracy. At 4.4 inches long and under 4 oz, it pockets easily until you need it.