What is the difference between canon ef and eos

One, different positioning

1, Canon ef: is a full-frame lens for Canon full-frame as well as APS-C half-frame bodies.

2, Canon eos: a half-frame lens designed for APS-C bodies, if used for full-frame bodies, the end of the lens will be in close contact with the body reflector.

Two, different characteristics

1, Canon ef: microchips inside the camera and lens exchange information through electronic signals to drive the motor inside the lens to focus. The aperture blades are also electromagnetically driven.

2, Canon eos: can only be applied to the APS-C format Canon DSLR, its distinguishing feature is that there is a white square in the interface for aligning the body card position.

Three, the advantages of different

1, Canon ef: control elements using the camera, lens, accessories within the dedicated multi-processor, working closely with each other to keep the system running.

2, canon eos: in the imaging will be blackened at the corners, more will cross with the full-frame reflector.

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