Lenses are arranged in order of popularity.
Canon DSLR Lenses
1. Canon EF 24-105mm f/4 L IS USM Lens
2. Canon EF 24-70mm f/2.8L USM Standard Zoom Lens (equal 2nd)
3. Canon EF 50mm f/1.8 Lens (equal 2nd)
4. Canon EF 50mm f1.4 USM Medium Telephoto Lens (equal 2nd)
5. Canon EF 85mm f1.2L Lens
6. Canon EF-S 10-22mm f/3.5-4.5 USM SLR Lens
7. Canon EF 17-40mm f/4L Lens
8. Canon EF 70-200mm f/4 L IS USM Lens
9. Canon EF-S 17-55mm f/2.8 IS USM Lens
10. Canon EF 70-200mm f/2.8L IS USM Telephoto Zoom Lens
Nikon DSLR Lenses
1. Nikon 50mm f/1.8D AF Nikkor Lens
2. Nikon 18-200mm f/3.5-5.6 G ED-IF AF-S VR DX Zoom-Nikkor Lens
3. Nikon 70-200mm f/2.8G ED-IF AF-S VR Zoom Nikkor Lens
4. Nikon 18-55mm f/3.5-5.6G ED AF-S DX Nikkor Zoom Lens
5. Nikon 55-200mm f/4-5.6G ED IF AF-S DX VR Zoom Nikkor Lens
6. Nikon 18-70mm f/3.5-4.5G ED IF AF-S DX Nikkor Zoom Lens
7. Nikon 12-24mm f/4G ED IF Autofocus DX Nikkor Zoom Lens
8. Nikon 50mm f/1.4D AF Nikkor Lens
9. Nikon 28-70mm f/2.8D ED-IF AF-S Zoom Nikkor Lens
10. Nikon 85mm f/1.4D AF Nikkor Lens
Other DSLR Lenses
note - Tamron and Sigma lenses come with a variety of mounts, ie most will come in Canon, Nikon and Pentax (etc) versions
1. Tamron Autofocus 28-75mm f2.8 XR Di LD Lens
2. Sigma 70-300mm F/4-5.6 APO DG Macro Lens
3. Sigma 30mm f/1.4 EX DC HSM Lens
4. Sigma 10-20mm f/4-5.6 EX DC HSM Lens
5. Sigma 17-70mm f/2.8-4.5 DC IF Macro Lens
6. Tamron AF70-300mm F/4-5.6 Di LD Macro Lens
Note: The most popular three DSLR lenses mentioned were the Nikon 50mm f/1.8, the Nikon 18-200mm f/3.5-5.6 and the Canon 24-105mm f/4.
