The 8-15mm f/4L Fisheye USM ($1,249.00 at Adorama) is sized similarly to other ultra-wide zooms. It measures 3.7 by 3.1 inches (HD) and weighs in at 1.2 pounds. The front element is bulbous, and The Canon EF 20-35mm f/3.5-4.5 USM lens image sharpness is amazingly good when it is compared to it’s competitors the the Canon EF 16-35mm f/2.8 USM lens and the Canon 17-40mm f/4L USM lens. I found that for the most part the overall image quality when compared side by side was really about a 7 or and 8 out of 10 (considering the L-Series Canon EF 16-35mm f/2.8L III USM Canon EOS-1D X Mark II Canon EOS 100D Canon EOS 1Ds Mark III Canon EOS 20D Canon EOS 30D Canon EOS 350D Canon EOS 400D Canon EOS 40D Canon EOS 450D Canon EOS 500D Canon EOS 50D Canon EOS 550D Canon EOS 5D Mark II Canon EOS 5D Mark III Canon EOS 5D Mark IV Canon EOS 5DS R Canon EOS 700D Canon EOS 70D Canon EOS 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-S 10-22mm f/3.5-4.5 USM Lens Canon EF 16-35mm f/2.8L II USM Lens. The same lenses are shown below in their fully extended states with their lens hoods in place. As indicated in the chart above, no provision is made for the Canon EF 8-15mm f/4L USM Fisheye Lens to accept front filters. 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 DTUw. 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 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). 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 Review by Klaus Schroiff, published May 2009 Special thanks to Michael Becker for providing this lens! Introduction Launched back in spring 2007 the EF 16-35mm f/2.8 USM L II is the latest ultra-wide zoom lens made by Canon. Regarding its rather steep pricing of around 1400€/US$ it's primarily targeting the professional market segment. 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