Canon EF Fit The Canon EF mount is compatible with both full-frame and cropped sensor digital SLRs. |  | | Canon EFS Fit The Canon EF-S mount only fits digital SLRs with cropped sensors. The S stands for short back focus and means it's compatible with SLRs featuring smaller mirror boxes. | | | Nikon AF-S Lenses to fit D40/D40x/D60/D3000/D5000 Nikon D40/D40X and D60 fitting lenses.These cameras need AF-S designated Motorised Lenses. | | | Nikon AF type DSLR's (Not D40/D40X/D60/D3000/D5000) These lenses are designed for cameras such as D80/D90/D200/D300 with an increased focal length (approx.1.5x) or for FX (Full Frame Sensors e.g D700/D3/D3x) and 35mm Nikon Film Cameras at the focal length specified. | | | Nikon DX Sensor Lenses (Smaller Sensor) These lenses are not suitable for Full Size FX Digital Cameras or 35mm Film Cameras. |
