This item: MasterPieces Collegiate Kentucky Wildcats 1000 Piece Stadium (Basketball) Panoramic Jigsaw Puzzle $14.00 In Stock. Ships from and sold by Amazon.com.
1 EF-S lenses feature a protective pin that stops these lenses from being mounted on a full-frame EOS camera.  EF-M â a new lens format specifically designed for the Canon EOS M mirrorless camera system with EF-M mount. Just like the EF-S lenses, EF-M are designed for APS-C sensor cameras.
The lens aperture is usually specified as an f-number, the ratio of focal length to effective aperture diameter. A lens typically has a set of marked f-stops that the f-number can be set to. A lower f-number denotes a greater aperture opening which allows more light to reach the film or image sensor.