A new telephoto camera for the Pixel 10 is supposed to catch the eye of photographers, but I already doubt it's worth the ...

The F-number of a photographic lens is a measure of its light-gathering ability, and is expressed as its aperture diameter ...

The vast majority of nickel is used in alloys and more than 3,000 nickel alloys have been identified. Nickel is used to make stainless steel and other metal alloys. Nickel is commonly alloyed with ...

Our lens reviews offer detailed information on sharpness, distortion, bokeh, and all the other important factors that go into making a lens great. Our reviews give you all the information you need ...

The COVID-19 pandemic highlighted the urgent need for effective therapeutic agents against SARS-CoV-2. Although vaccines helped control the spread of the virus, the emergence of new variants ...

1 Department of Optometry, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran 2 Department of Ophthalmology, Poostchi Ophthalmology Research Center, School of ...

Highlights include unique perspectives through the lenses of a fly's compound eye, scenes showcasing its Herculean strength by spinning objects larger than itself, and a whimsical depiction of a ...

A study by AIIMS reveals that bio-enhanced curcumin, found in turmeric (haldi), effectively treats mild to moderate dry eye disease by improving tear stability and reducing inflammation. The clinical ...