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Sigma 300-600mm f/4 DG OS Sports Review: Way More for Way Less

A man in a blue shirt takes a photo with a large telephoto camera lens near water. The image features the Petapixel Reviews logo in the bottom right corner.

Professional telephoto lenses made specifically for wildlife and sports tend to be the most expensive money can buy. They push the envelope of lens technology, not to mention size and weight. What if I told you that Sigma made a lens that delivers the same f/4 aperture combined with a more versatile zoom range but is also only $6,000, substantially less money than the competition? It sounds too good to be true.

A smooth, gray, glassy rock with angular edges sits among rough, beige, and dusty rocks and pebbles on a sandy surface.

NASA Perserverance Rover Snaps Photo of ‘Skull’ on Mars

A dark, jagged rock formation on Mars, nicknamed Skull Hill, has caught the attention of NASA scientists. Spotted by the Perseverance rover on April 11 while descending a slope known as Witch Hazel Hill, the rock stands in stark contrast to the surrounding pale terrain of Jezero Crater.

A white Yashica City100 digital camera is displayed upright on a grid-patterned surface against a black background, showing its lens and front details clearly.

The Situation With the Yashica City 100 Might Be Worse Than We Thought

This week, Chris Niccolls published his review of Yashica's latest digital camera, the City 100. PetaPixel had a lot of questions about the camera from the get-go and were less than impressed with its performance. Since we published that review, new information has come to light that makes the situation around Yashica's point-and-shoot look somehow worse than initially thought.