Pentax DA 50-200mm f/4-5.6 ED Lens for Pentax and Samsung DSLR Cameras

Designed for exclusive use with Pentax KAF-mount digital SLR cameras including the *ist D and the *ist DS digital SLRs, the Pentax DA 50-200mm f4-5.6 ED lens offers 4x zoom coverage in the telephoto range. This is a great zoom. The pictures come out sharp. A very nice lens, works great!
Fits Pentax Digital SLR Camera [...]

Olympus Zuiko 70-300mm f/4.0-5.6 ED Lens for Olympus Digital SLR Cameras

The lens’s Four-Thirds system, meanwhile, ensures that you don’t lose your macro or super-telephoto versatility when you switch to a different camera body. Offering a field of view to 600mm (35mm equivalent), the high-mobility Olympus Zuiko 70-300mm super-telephoto lens is an ideal choice for sports, nature, and other types of long-distance photography.
Olympus Zuiko 70-300mm f/4.0-5.6 [...]

Canon FS72U Filter Set for the XL2

Canon FS-72U filter set includes neutral density (ND8), polarizing and ultra-violet filters. The filters feature a 72mm thread size and are designed for all XL lenses except the 3D lens.
Canon FS72U Filter Set for the XL2 Technical Details :

Use with XL1
UV filter absorbs UV rays
Polarizing filter reduces glare
All filters protect front [...]

Olympus Zuiko 12-60mm f/2.8-4.0 Digital ED SWD Lens for Olympus Digital SLR Cameras

The Zuiko Digital ED 12-60mm f2.8-4.0 SWD lens is a high-performance standard zoom lens that covers a zoom range equivalent to 24 to 120mm on a 35mm camera lens.
Olympus Zuiko 12-60mm f/2.8-4.0 Digital ED SWD Lens for Olympus Digital SLR Cameras Technical Details :

Features Supersonic Wave Drive (SWD) technology inside to provide quiet, ultra-fast [...]