The Canon EF 20-35mm f/3.5-4.5 is a very lightweight full-frame ultrawide zoom for all Canon EOS digital and 35mm autofocus cameras. This 20-35mm has fantastic ergonomics. Nothing moves externally as it's zoomed or focused, and all the controls are exactly where they should be and feel great. This 20-35mm has instant manual focus override We review the Canon EF 20mm f/2.8 USM lens. focal length of this prime lens from Canon is on the edge of ultra wide angle when used on a full frame sensor or the 35mm film it was originally Canon EF 16-35mm f/4L IS USM Review Canon RF 16mm F2.8 STM Review Canon EF 16-35mm f/2.8L III USM Review Canon EF-S 18-135mm f/3.5-5.6 IS USM Review Canon EF 16-35mm f/2.8 L USM Lens EXCELLENT + BONUS 77mm FILTER UV EOS DIGITAL. Opens in a new window or tab. Pre-Owned · Canon EF · f/2.8 · 16-35mm. 5.0 out of 5 Canon EF 17 35mm f/2.8L USM 35mm Zoom user reviews : 4.2 out of 5 - 40 reviews - photographyreview.com f1idzQV. Bryan at The Digital Picture has completed his review of the brand new Canon RF 15-30mm F4.5-6.3 IS STM, Canon's ‘value' wide angle zoom lens for full-frame and APS-C RF mount cameras. If you're like me, you may only use an ultra-wide angle lens on occassion, so this is a great option for minimal cost compared to the RF 14-35mm f/4L IS USM Canon EF 16-35mm f/4L IS USM Review Canon RF 16mm F2.8 STM Review Canon EF 16-35mm f/2.8L III USM Review Canon EF-S 18-135mm f/3.5-5.6 IS USM Review The first thing to notice is that the the 17-40mm vignettes somewhat more than the 16-35mm at f/4. Not a lot, but noticeable. But the 16-35mm appears to show more flare and lower contrast at this aperture and focal length. Canon 17-40mm f/4L @ 17mm @ f/4 @ 100%Canon 16-35mm f/2.8L @ 17mm @ f/4 @ 100%. Fig. 4 The EF 17-35mm f/2.8 USM L showed a very unusual vignetting characteristic. On an APS-C DSLR it can take advantage of a sweet spot behavior but at 17mm the lens already showed an optimal behavior with no measurable improvement when stopping down (yes, I repeated the test row to make sure). Due to the decreasing natural vignetting there's a Lens Type: Zoom Lens. Format: Full Frame / FX. Focus: Autofocus. Lens Mount: Canon EF, Canon EF-S. Release Date: 1989-01-01. MSRP Price: N/A. Made in: Japan. Production Status: In Production. Lens Description: The Canon EF 20-35 mm f/ 2.8 L is a professional series fast wide-angle autofocus lens for 35 mm SLR Canon EF (S) cameras.

canon ef 16 35mm f 2.8 l usm review