![]() Canon claims the RF version has smoother and quieter autofocus. The RF 100mm f/2.8 has a close focusing distance of about 0.85 feet. This could be useful in some product work to tune undesirable bokeh. The RF 100mm f/2.8 has a special spherical aberration control ring which enables you to control the soft focus and bokeh directly. The RF version also provides a better magnification ratio at 1.4x. The EF 100mm f/2.8 has worse in built image stabilization than the RF 100mm f/2.8 L. The Canon EF 100mm f/2.8 L Macro IS USM ( Amazon, B&H) is lighter and smaller than the Canon RF 100mm f/2.8 L Macro IS USM ( Amazon, B&H). Ring control and Spherical Aberration Control Let’s compare the EF version of the 85mm with its newer RF counterpart.Ĭanon RF 100mm f/2.8 L Macro IS USM vs Canon EF 100mm f/2.8L Macro IS USM Lens Naturally the prices of RF lenses match the high quality Canon have put into these series! The assurance is, the quality isn’t compromised, and with proper care Canon RF lenses should last for years. This one simple change considerably changes the optical characteristics and challenges. Canon have redesigned the optics from the ground up to account for the smaller flange focal distance. Canon claims that the introduction of these actuators in RF lenses will result in a quieter and quicker autofocus. ![]() They claim the new Nano USM and Dual Nano USM have been designed for video. Canon claims this contributes towards quicker autofocus, better AF tracking and improved image stabilization.Ĭanon has redesigned the focus actuators for a hassle-free filming. The RF mount is equipped with 12 communicator pins compared to 8 pin connection of the EF mount. For gimbal, drone and steadicam use, the lower weight is an advantage because a lighter lens puts less strain on motors, and the human arms that have to hold it up. Weight gives better stability and smoother movement for most use cases. RF lenses are supposed to be lighter, making them easier to handle for photography, but slightly problematic for video. However, that’s not the only advantage.Ĭanon (and every one else) maintains the smaller flange focal distance allows for larger apertures (for some focal lengths), better corner to corner sharpness and reduced light fall off. Now with the mirror gone, that’s space and weight savings. Here’s how the flange focal distance compares: Mountīoth the mounts share the same inner diameter of 54mm.ĮF lenses were designed for DSLRs. What is the Flange Focal Distance and How to Find More Lenses for Your Camera
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