Check here the Kerala SSLC Physics Question Paper 2025 and Answer Key with PDF format. Get the exam paper with answers for ...

The wavelengths generally are in red and blue colour. The most commonly used and the earliest example of an achromatic lens is the achromatic doublet. An achromatic doublet is made from a pair of ...

Photo: SmallRig Earlier today, Fujifilm announced the GFX100RF, a fixed-lens medium-format camera. There's plenty of ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

With the best lenses for iPhone and Android phones, you can gain a whole new perspective in your smartphone photography and videography. Smartphone camera arrays are undoubtedly improving, especially ...

We tested the best binoculars from NOCS Provisions, Celestron, Nikon, Maven, and more to help you find the best option for your needs and budget.

Any serious photographer should have a 50mm lens in their kit bag. Also known as a 'standard' prime or a 'nifty fifty,' these lenses capture a perspective that's roughly equivalent to the field of ...

Sigma has announced the 300-600mm F4 DG OS Sports lens, designed specifically for applications like sports, action and wildlife photography. Recent Videos Optically, the lens is built around 28 ...

Nikon’s Z-series lens line-up has never been healthier. If you’re shooting with one of the best Nikon cameras, you’ll want to pair it with the best glass you can buy. That’s exactly what ...

But keep in mind that unlike a regular action cam, a 360 degree camera has a lot more exposed glass that’s rome to damage due to the concave design of the lens. I wouldn’t use it in any ...

Albert Einstein, in 1905, presented the revolutionary idea of light quanta of energy which equals ħw, where ħ is reduced Planck's constant. There is plenty of experimental evidence on magnetic ...