WASHINGTON — Elon Musk, the billionaire owner of major government contractor SpaceX and a key ally of Republican presidential nominee Donald Trump, has been in regular contact with Russian ...

Recent Videos The Lomo'Instant Wide Glass features a 90mm (∼35mm equiv. in full-frame terms) F8 lens featuring multi-coated glass elements. The a fixed F22 aperture can be applied for greater depth of ...

Lomography has announced an upgraded version of its Lomo’Instant Wide Camera that swaps the original’s 90mm plastic lens for one made with multi-coated glass. The company says its new Lomo ...

Our top pick, the Acuvue Oasys lenses, cater to specific eye needs and offer crisp vision and comfortable wear. The best contact lenses fit well, are breathable, offer all-day comfort and give you ...

Non-prescription colored contact lenses can lead to serious eye infections or damage. Poorly fitting lenses or those made with unsafe materials can block oxygen to the cornea, leading to complications ...

B) Same as (A) for the 8.8 mm-long microendoscope (see also Fig. 6F). Supplementary Figure 3. Supplementary Table 1. Parameters of the polynomial function describing the aspherical surface of ...