Just like with any 2x teleconverter, the focal length of the attached lens is doubled, with a consequent aperture reduction of two f/stops. As such, a 70-200mm f/2.8 zoom effectively becomes roughly a ...

Canon's EF 200-400 lens delivers terrific optics and unmatched zoom flexibility with an innovative built-in 1.4x telephoto extender. Stephen Shankland Former Principal Writer Stephen Shankland worked ...

I currently have Canon T2i and the following lenses; Canon 50mm 1.8, Sigma 18-50mm 2.8-4.5 and Canon 70-300 4-5.6 IS US as a newbee (picked up all that just 3-4 months ago) I am just learning the ins ...

To coincide with the unveiling of their new 60D DSLR, Canon has also announced four serious new lenses and a pair of extenders to go with them. Here’s the rundown. Canon EF 8-15mm f/4L USM This is ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Canon has introduced the newest member in its HDgc Series of portable HD zoom lenses. The new ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 14 years, which has given me a front row seat for the changeover from DSLRs to mirrorless cameras, ...

We spend a day shooting aeroplanes with Andy Rouse to test the new Canon EF 200-400mm f/4L IS USM Extender 1.4x lens. The Canon EF 200-400mm f/4L IS USM Extender 1.4x is a professional quality ...

Canon’s EF 200-400mm f/4L IS USM Extender 1.4X more than satisfies the requirements of its target market. Sports and wildlife photographers should be delighted by the convenience of the built-in ...