The Canon EF 300mm F2.8L IS II USM is an updated version of an earlier design, and is designed for use with Canon's full-frame and APS-C DSLRs. Featuring a completely new optical design and lighter weight construction, this weather-sealed lens is built for hard, professional use. Highlights include Sub Wavelength Structure coating on lens It would be difficult to notice it in the corner of full frame even at the maximum relative aperture. In the case of a wide angle device as fast as f/1.4 it is a huge achievement. Such good results in this class of equipment so far have been shown only by the Sigma A 1.4/35. Center, f/1.4. Corner APS-C, f/1.4. Corner FF, f/1.4. Center, f/2.0. Canon RF 14-35mm F/4L IS USM Performance. At 14mm, central sharpness is excellent from f/4 to f/11 and very good at f/16 and f/22. The edges are very good from f/4 to f/11, good at f/16 and fair Canon EF 35mm f/1.4L II USM Lens (International Model) No Warranty Sample images! Daniel bowman . 2:08 . Click to play video. #thisorthat Comparing Canon 50mm 1.8 Buy the Canon EF 400mm f/2.8L IS II USM. Amazon Click to see price; The 400mm ƒ/2.8 lens was designed to fit on the EF (35mm) frame, and is therefor compatible with all of Canon's recent film The Sigma 35mm F1.4 DG HSM Art captures crisp images, opens up to f/1.4, and undercuts competing lenses on price. Menu. But it's a bit shy of what the pricier Canon EF 35mm f/1.4L II USM EF 16-35mm f/2.8L II USM: EF 16-35mm f/4L IS USM: EF 17-35mm f/2.8L USM: The Digital Lens Optimizer is also available for images shot with an extender attached to Bokeh on the Canon 35mm f/1.4 L USM. Finally! Here's what I really love so much about this lens: the transition of sharp to blur, and the quality of the blur. First, just a quick note – If we're honest with ourselves, we can admit that all camera lenses produced in the past 20 years are capable of capturing good images. 4E0w.