Do you use a Canon EOS R mirrorless camera? From wide-angle to telephoto, these are the best lenses we've tested for the platform. Images, and the devices that capture them, are my focus.

[Dan K] had just such a lens from Sigma, but wanted to get it working fully with a camera using the Canon EF lens fitting. Hacking ensued. The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG ...

While none of the lenses we've selected are exclusively for astro, they're all specialist, wide-angle lenses with large apertures, perfect for letting in as much light as possible. They're also ...

With the XCD 3.2-4.5/20-35E, the Swedish camera manufacturer Hasselblad is launching its first ultra-wide-angle zoom lens and also the ... aberrations and meets the high resolution requirements ...

In terms of performance, the Canon EOS 750D Rebel T6i ... wide by 4 inches high by 3.3 inches deep, and weighs 29 ounces (1.8 pounds) (with battery, memory card, strap, and tested lens).

Focal length and maximum aperture: 55-250mm 1:4-5.6 Closest focusing distance: 0.85m/2.8 ft. UV protection filter for general, everyday use Reduces ultraviolet light; helps eliminate bluish cast ...

the lens fills a much-needed gap for Canon EOS R7, R10, R50 and R100 owners, essentially providing a wide-angle trinity pro lens for APS-C cameras. The lens retains the same core technical specs ...

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[Carlos] wrote up his mod to remove and replace the original narrow lens with a wide angle fisheye lens. The install requires some significant effort and some case modding – probably not a good ...