An unexpected discovery in a Harvard lab has led to a breakthrough insight into choosing an unconventional material, silica, ...

The first thing most people will notice about the Vortex AMG 1-10×24 is its eye-popping price. It lists for a stunning $6,399, with a street price of $4,000. Now it’s one thing for military units to ...

Aspheric lenses are designed to focus or collimate light without introducing spherical aberration into the transmitted wavefront. For monochromatic sources, spherical aberration is often what prevents ...

It’s relatively easy to understand how optical microscopes work at low magnifications: one lens magnifies an image, the next magnifies the already-magnified image, and so on until it reaches the eye ...

Advantages: Specifically designed for infants who may not cooperate during examinations, this lens is crucial for detecting congenital eye diseases in newborns, facilitating early diagnosis and ...

When you use DPReview links to buy products, the site may earn a commission. Sigma has announced the 12mm F1.4 DC, an APS-C prime for Sony E, Fujifilm X and Canon RF mount. Its 18mm equiv. (19mm equiv ...

Ronkonkoma, New York--(Newsfile Corp. - August 19, 2025) - Sigma Corporation of America, the US subsidiary of Sigma Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi, Kanagawa, ...

Zhejiang Lante Optics makes optical components such as prisms, glass aspheric lens and glass wafers. Its products are used in telescopes, microscopes, mobile phones, digital cameras and other ...

Popular prime lenses for astrophotography often come in at 24mm or wider to allow for capturing a much wider view of the sky with little ground interest, which makes sense. But when you're ...