Two New Orleans photographers snap hundreds of photos every year to capture the essence of Jazz Fest. Meet Andrew Simoneaux ...

While the smelting was done in Earth-based lab conditions, the researchers said the process could be replicated on the Moon with a solar furnace: Essentially a rig of mirrors or Fresnel lenses that ...

You can use it as a 15-45 degree Fresnel with the included 10″ Fresnel lens, or you can take it out and put in a different lighting modifier, or attach barn doors. This looks to be a clever solution ...

The module is designed to have single or double glazing on the front side, where the primary optical elements (POEs) consisting of linear Fresnel lenses are molded using ultraviolet nanoimprint ...

Portrait photographers would naturally benefit, too. The lens promises to isolate subjects sharply against wonderfully defocused backgrounds. The Sigma 200mm f/1.8 would deliver the shallowest ...

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But L-Mount shooters have a new lens option when it comes to budget portrait primes: the TTArtisan AF 75mm f/2 L. The announcement brings an affordable prime lens with a metal body to L-Mount cameras.