Hugyfot lens chart for Canon crop cameras ... - 450D - 500D - 550D 40D - 50D - 7D Lenses Zoom EF-S Macro Type Lens Port Extension Zoom/Focus Gear EF-S 60mm f/2.8 Macro USM Flat port FLP-6.607 EF 100mm f/2.8 Macro USM Flat port FLP-6.607 Extension EXT-6.430 (20 mm) GEA-6.997 EF 100mm f/2.8L Macro IS USM Flat port FLP-6.607 Extension EXT-6.273 (25 mm) GEA-7.555 EF-S 18-55mm f/3.5-5.6 Wide angle port WAP-6.611 EF-S 10-22mm f/3.5-4.5 USM Fisheye port FEP-6.608 EF-S 17-55mm f/2.8 IS USM GEA-6.442 SIL-6.459 GEA-6.442 SIL-6.446 Extension EXT-6.431 (50 mm) GEA-6.442 SIL-6.445 Fisheye port FEP-6.608 Extension EXT-6.432 (60 mm) GEA-6.869 EF-S 17-85mm f/4-5.6 IS USM Fisheye port FEP-6.608 Extension EXT-6.431 (50 mm) GEA-6.559 EF-S 15-85mm f/3.5-5.6 IS USM Fisheye port FEP-6.608 Extension EXT-6.431 (50 mm) GEA-6.920 Lenses listed above are most used in UW-photography. Please contact us for information on possible port combinations for other lenses. In addition to the port combinations listed above, other combinations might work too. All information is provided as current and at best know-how possible. Hugyfot can not be held liable for error and ommisions or wrong equipment use derived from this port-chart. Last updated on 08/10/2012 Dealer information Hugyfot lens chart for Canon crop cameras ... - 450D - 500D - 550D 40D - 50D - 7D Lenses Wide EF Zoom EF Type Lens Port Extension EF 8-15mm f/4L Fisheye USM Fisheye port FEP-6.608 Extension EXT-6.430 (20 mm) GEA-6.511 SIL-6.667 EF 16-35mm f/2.8L USM Wide angle port WAP-6.611 Extension EXT-6.431 (50 mm) GEA-6.511 SIL-6.500 EF 16-35mm f/2.8L USM II Wide angle port WAP-6.611 Extension EXT-6.432 (60 mm) GEA-6.511 SIL-6.667 EF 17-40mm f/4L USM Wide angle port WAP-6.611 Extension EXT-6.431 (50 mm) GEA-6.511 SIL-6.500 EF 24mm f/1.4 L USM Fisheye port FEP-6.608 Zoom/Focus Gear Extension EXT-6.275 (40 mm) Lenses listed above are most used in UW-photography. Please contact us for information on possible port combinations for other lenses. In addition to the port combinations listed above, other combinations might work too. All information is provided as current and at best know-how possible. Hugyfot can not be held liable for error and ommisions or wrong equipment use derived from this port-chart. Last updated on 08/10/2012 Dealer information