The lens in question was quite a rare item in terms of photography telephotos, while most dream of owning a 300mm f/2.8 ...

I also missed having the additional reach of a 500mm or 600mm lens ... aperture is a decent f/4 at the short end of its zoom but increases rapidly towards the f/8 maximum at the long end.

[Ken] recently obtained an attitude indicator—sometimes called an artificial horizon—from an F-4 fighter jet. Unlike some indicators, the F-4’s can rotate to show pitch, roll, and yaw ...

The Nikon Z 50mm f/1.4 aims to bring a fast aperture to the masses, with a very reasonable price tag for an f/1.4 standard ...

At 24mm, central sharpness is outstanding from f/4 to f/8, excellent at f/11, very good at f/16 and good at f/22. The edges are excellent from f/4 to f/8, very good at f/11, good at f/16 and fair ...

Its 35mm-equivalent 450mm focal length and ultra-bright f/2.8 aperture combine for superb results in virtually any light -- and its high-speed SSM (Super Sonic wave Motor) auto-focus is fast ...

The best cameras for wildlife photography are durable, have accurate autofocus and a fast burst rate — we've rounded up the best models ahead of Black Friday. The best cameras for wildlife ...

The Nikkor Z 600mm F6.3 VR S is a big telephoto lens you won't mind carrying thanks to its featherweight optical elements.

The edges are excellent at f/2.8, outstanding at f/4, excellent at f/5.6 and f/8, very good at f/11, good at f/16 and fair at f/22. At 20mm, central sharpness is outstanding from f/2.8 to f/8 ...

Dimensions(Length x Diameter) 291mm x 124.4mm / 11.5 in. x 4.8 in. Weight 6lb, 12.4 oz / 3,062 g (lens alone), hood: 276 grams, tripod foot: 360 grams. Notes Image Stabilized (up to 4 stops ...

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The V-8–powered IS500 F Sport Performance model ... Limited warranty covers 4 years or 50,000 miles Powertrain warranty covers 6 years or 70,000 miles Complimentary scheduled maintenance ...