These landscape photography tips will have you itching to head into the hills with your tripod and filters to capture ...

F/4 is the golden aperture: any wider and center sharpness gives way to corner softness, where the lens relies heavily on distortion correction. Plastic components are the trade-off for a ...

Sigma does not include a USB-C cable or power adapter with the BF, only the BP-81 battery and an aluminum body cap. Body caps ...

Abstract: The wire-grid lens HF antenna is a high-frequency realization of a two-dimensional Luneburg lens. This vertically polarized high-directivity 36-beam ...

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The Sigma BF draws attention with its modern industrial design and woos creative photographers with a streamlined interface and gorgeous color profiles, but it offers fewer features than mainstream ...

Get Instant Summarized Text (Gist) A new flat telescope lens has been developed that captures color accurately while detecting light from distant stars. Unlike traditional bulky curved lenses ...

推主@maximilian_分享了一款MOD，可关闭《怪物猎人：荒野》中的镜头失真（Lens ...

After hours: March 13 at 5:43:52 PM EDT Loading Chart for NGG ...

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 ...

Ready to replace the old lenses in your favorite frames? Get a fresh pair of quality replacement prescription lenses from these top online retailers. The prescription for your glasses is typically ...