Canon Digital
Can a Canon EOS film SLR camera lenses use Canon SLR?

I have an old Canon EOS 35mm SLR. I'm seeing many of the 28-135mm zoom lenses for sale that come with the Canon 40D digital cameras. "I can use that lens on my film camera?

Of course. All EF lenses can be used in both film and digital cameras Canon. The only lenses that your film camera is you can not use EF lenses are designed specifically for these for sensors for digital SLR cameras cut. For example many DSLR cameras come with a EF 18-55mm lens. This would be equivalent to the EF 28-90mm lens that comes with many film cameras. The reason these lenses Canon EF occurs is that because the cropped sensor (smaller than 35 mm) the field of vision extends 1.6 This is great for a telephoto lens. Your 200 mm lens becomes a 320 mm lens. In the wide angle end losing out. This is why lenses like Canon EF 18-55 mm and 22 mm SF-10. Conclusion sure it is an EF and not an EF lens and you'll be fine.