Lens Nikon Canon

Lens Nikon Canon
sud I can buy either the Canon or Nikon 400D 40? I also get a Telephoto Zoom Lens 70mm -200/300.?

I'm going to buy a Tamron or sigma goal, but they are shareable lens for Nikon and Canon?

The group of third-party manufacturers of lenses that is mounted for both Nikon and Canon. Something you do not know. Nikon and Canon lenses last for decades. When you consider that it will replace your camera body every three or four years, one can see that investment you make to your collection of lenses is the most important one. I would suggest you buy a good used OEM lens, instead of buying a lens of others. I just I can speak for the Nikon system, but it is something to consider … (Ken Rockwells website) … "Nikon often includes secret features in cameras and lenses make them compatible with the next five years or so planned in secret technology. For example, the F4 1988 is fully compatible with AF-I and AF-S lenses did not appear until 1992 and 1998. Nikon AI lenses in 1977 already had secret lugs on the back which couple lens information matrix metering chambers, not introduced until the FA 1983. AF zoom lenses, since they were introduced in 1986, have always been the focal length encoders which insert data Digital Cameras today EXIF data. "Obviously, the third party lens makers have no access to these plans. Bang for the buck wise right now, the Nikon D40x with 18-55mm and 200mm-55mm package. Search the website as well as Costco B & H photo

Covent Garden Busker 1 (Nikon 50mm f1.4 AI lens test on Canon 5D Mk II)