My friend is upgrading from a Sony Alpha to Canon and was originally going for the 7D but has now decided to go for the 5D. I mentioned to him that he would have to be careful as the 5D was Full Frame and although i was unsure in detail as to what this meant i knew that it was important for him to research first with regards to lens choice etc. From what ive read you can use EF lenses on on the 7D but you cant use EF-S lenses on the 5D. Now all would be well if he was just buying Canon but what if he wants for example the Tamron 17-50 f2.8 or the Sigma 17-70 f2.8 macro? I mention the Sigma as he had used it recently on his friends 550D and was impressed.
On Clifton Cameras at the bottom it states this....
Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras
Does this mean that all 3rd party lenses are out or do they make one for each?
Taken from Wiki
First introduced in 1987, the EF lens mount is the standard lens mount on the Canon EOS family of SLR film and digital cameras. EF stands for "Electro-Focus": automatic focusing on EF lenses is handled by a dedicated electric motor built into the lens. Mechanically, it is a bayonet-style mount, and all communication between camera and lens takes place through electrical contacts; there are no mechanical levers or plungers.
In 2003, Canon introduced the EF-S lens mount, a derivative of the EF mount that is strictly for digital EOS cameras with a 1.6x crop released after 2003. EF lenses can be mounted on EF-S bodies, albeit with cropped image, while EF-S lenses cannot be mounted on EF bodies.
My friend is French and has limited English so thats why im trying to help him. Google translate is pretty rubbish at translating stuff like the Wiki quote!
Thanks in advance, Phil
On Clifton Cameras at the bottom it states this....
Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras
Does this mean that all 3rd party lenses are out or do they make one for each?
Taken from Wiki
First introduced in 1987, the EF lens mount is the standard lens mount on the Canon EOS family of SLR film and digital cameras. EF stands for "Electro-Focus": automatic focusing on EF lenses is handled by a dedicated electric motor built into the lens. Mechanically, it is a bayonet-style mount, and all communication between camera and lens takes place through electrical contacts; there are no mechanical levers or plungers.
In 2003, Canon introduced the EF-S lens mount, a derivative of the EF mount that is strictly for digital EOS cameras with a 1.6x crop released after 2003. EF lenses can be mounted on EF-S bodies, albeit with cropped image, while EF-S lenses cannot be mounted on EF bodies.
My friend is French and has limited English so thats why im trying to help him. Google translate is pretty rubbish at translating stuff like the Wiki quote!
Thanks in advance, Phil