Amazon.com: SHOOT AF Auto Focus Macro Extension Tube Set for Canon EOS EF EF-S Lens DSLR Cameras 1100D 700D 650D 600D 550D 500D 450D 400D 350D 300D 100D 70D Close-up(13mm 21mm 31mm) :
How to Take Great Macro Photos with the Canon T2i (550D)
How to Take Great Macro Photos with the Canon T2i (550D)
Buy Hanumex 58mm Deluxe Macro Close UP Lens KIT +1 +2 +4 +10 for Canon EOS 550D 1000D 600D 500D 40D 650D 700D for 18-55MM and 55-250MM Lens Online at Low Price
SHOOT XT-364 Auto Focus AF Macro Extension Tube Adapter Ring Set 13mm 21m 31mm Replacement for Canon EF/EF-S Lens Replacement for Canon 550D/600D/650D/700D/750D/760D/800D/200D/1300D/77D/6 - Walmart.com
Lightdow Camera Lens Adapter 13mm+21mm+31mm AF Macro Extension Tube/Ring Mount for Canon 550D 760D 6D 7D 77D 5dII DSLR Cameras|Lens Adapter| - AliExpress
Amazon.com : 58mm Essentials Accessory Package for Canon Rebel T2i, T3i, T4i, T5i, EOS 550D, 600D, 650D, 700D, Kiss X4, X5, Kiss X6, Kiss X7i Cameras, Includes Case, Tripod, Filters, Cleaning Kit,
Wide Angle and Macro lens for Canon EOS 550D
Fish-eye Lens with Macro for Canon EOS 550D
Wide Angle Macro For Canon Eos Digital Rebel 500d 550d 600d 650d for 18-55 HD | eBay
.X38 WIDE ANGLE FISHEYE MACRO LENS FOR CANON EOS REBEL 400D 450D 500D 550D 600D 689994182765 | eBay