Introduction:

This lens mount adapter allows any 77mm lens become a Marco lens on Canon SLR camera body. Therefore, you don't need to buy any Marco lens. Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. 

77mm Male thread Made of metal (not plastic) 

color: black 

for doing macro shoots all u need is to attach adapter to camera body and attach lens in REVERSE as photos. PLZ WATCH VIDEO OF HOW TO INSTALL IT: youtu.be/RHyp7vR2iXU

Package includes: 

Macro Reverse Adapter Ring x1 

(Original Manufactory Package) 

Suitable For: Canon camera body (film or digital SLR body) 

It is fit for the following lenses and more:

CANON:EF 24mm f/1.4L USMEF 300mm f/4L IS USMEF 400mm f/5.6L USMEF-S 10-22mm f/3.5-4.5 USMEF 16-35mm f/2.8L USMEF 17-40mm f/4L USMEF-S 17-55mm f/2.8 IS USMEF 24-70mm f/2.8L USMEF 24-105mm f/4 L IS USMEF 28-300mm f/3.5-5.6L IS USMEF 70-200mm f/2.8L IS USMEF 70-200mm f/2.8L USMEF 70-200mm 2.8 L IS II USMEF 100-400mm f/4.5-5.6L IS USMEF 24-70mm 4.0 L IS USMEF 24mm 1.4 L USM II

TAMRON:

11-18mm f/4.5-5.6 Super wide angle17-35mm f/2.8-4.0 Super wide angleSP AF 10-24mm 3.5-4.5 Di II LD Asp IFSP AF 70-200mm 2.8 Di LD IF macroSP AF 70-200mm 2.8 Di VC USD