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Experiments were made with human sunglasses and sports goggles before a pair was developed to fit the shape of a dog's head. [1] They are now produced by the Doggles Company in Diamond Springs, California. [2] Doggles are constructed out of a tinted polycarbonate material for UV protection, with elastic straps to secure them to the dog's head. [3]
Also may mean "Perspective Control" for a lens that has the ability to shift to tilt to control linear perspective in an image. May also stand for personal computer in conjunction with digital photography. PDAF: Phase-detection autofocus. One of the mechanisms of automatic lens focusing. PF: Purple fringing. A form of chromatic aberration in ...
Oversized sunglasses, because of their larger frames and lenses, are useful for individuals who are trying to minimize the apparent size or arch of their nose. Oversized sunglasses also offer more protection from sunburn due to the larger areas of skin they cover, although sunblock should still be used.
An indication of the test pressure in terms of water depth does not mean a water-resistant watch was designed for repeated long-term use in such water depths. For example, a watch marked 30 metres water resistant cannot be expected to withstand activity for longer time periods in a swimming pool, let alone continue to function at 30 metres ...
The numbers show that folks are, in fact, incorporating sunglasses into their accessory arsenal more than ever: The sunglasses industry hit an all-time high market value of $147 billion this year ...
Costa Del Mar or simply Costa is an American manufacturer of polarized sunglasses based in Daytona Beach, Florida. [1] It is a wholly owned subsidiary of EssilorLuxottica . Their sunglasses are popular in the sport sunglasses market, and are considered good for outdoor sports practicing, such as Summer activities, recreational fishing and boating .
Antireflective ophthalmic lenses should not be confused with polarized lenses, which are found only in sunglasses and decrease (by absorption) the visible glare of sun reflected off surfaces such as sand, water, and roads. The term "antireflective" relates to the reflection from the surface of the lens itself, not the origin of the light that ...
If there's one wardrobe item so signature to Melania Trump's style, it's sunglasses.. In fact, the first lady is rarely seen without a pair on and frequently opts for the accessory for any type of ...