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Comparison at 24mm with Canon 24mm f/1.4L II
This page compares the EF 17-40mm f/4L to the 16-35mm f/2.8L II at 24mm, using the Canon EF 24mm f/1.4L II as a reference lens, previously reviewed here. All conclusions are based on viewing images as 16-bit TIF in Photoshop, processed from RAW.
- The 17-40mm f/4L was a brand-new lens, supplied for testing by our trusted vendor B&H Photo.
- The 16-35mm f/2.8L II was my own existing lens, one I had thought to represent about as good as one can expect, based on multiple prior samples of the original 16-35mm f/2.8L, yet with this testing revealing itself as flawed.
- The 24mm f/1.4L II was rented from LensRentals.com.They are very reliable, and offer lenses and cameras from Nikon, Canon, Leica, Sony, Zeiss and more.
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Diglloyd DAP is DSLR-oriented, but also contains workflow and other topics. Much of the focus is on Canon and Nikon but also Pentax and Pentax medium format.
Special emphasis is placed on lens evaluation, focusing on Canon and Nikon and Sigma lenses, but with a few others like Rokinon/Samyang.
- Make better images by learning how to get the best results right away.
- Save money by choosing the right lens for your needs the first time, particularly some of the new Sigma Art lenses vs Nikon and Canon.
- Workflow discusses image organization, raw conversion and post processing. Many examples show processing parameters for direct insight into how the image was converted.
- Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops [past 2 years or so].
- Real world examples with insights found nowhere else. Make sharper images just by understanding lens behavior you won’t read about elsewhere.
- Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
- Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.
Want a preview? Click on any page below to see an excerpt as well as extensive blog coverage, for example on Nikon or on Canon or on Pentax.