Canon EF 17 35mm f/2.8L USM 35mm Zoom user reviews : 4.2 out of 5 - 40 reviews - photographyreview.comQuick differences Canon 35 f1.4 L vs Canon 35mm f2.0 IS USM *when I write 35mm 2.0 I actually mean the Canon EF 35mm f2.0 IS USM lens - I just can't be bothered to keep typing all that out! I don't mean the old Canon 35mm f2.0 lens which doesnt have IS* 35mm f2 IS focuses faster - very very slightly, but it does. 35mm f2 is smaller / lighter The RF 15-35 has dramatically less barrel distortion and lateral CA. The Canon RF 16mm F2.8 STM Lens vs. Canon RF 15-35mm F2.8 L IS USM Lens comparison shows the prime lens to be dramatically smaller and lighter than the zoom. Correspondingly, the RF 16 uses smaller filters (43mm vs. 82mm) and has a higher maximum magnification (0.26x vs. 0.21x).
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.
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 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