Auto Focus AF Macro Extension Tube Ring for Canon EOS EF/EF-S 60D 7D 5D II 550D

Features:
Suitable for all Canon EF & EF-S mount lenses.
Combined of 3 tubes with different length of: 13mm, 21mm, 31mm; Can be flexibly combined into different focal lengths to use.
Built-in electric pins, perfect for macro shooting.
Superior lock pin which can tighten the tube joint, excellent TTL and autofocus.
High quality and compact, net weight only 102g, super lightweight and portable.

Specifications:
Main Material: Plastic
Suitable: For all Canon EF & EF-S mount lenses
Item Weight: 102g / 3.6oz
Package Size: 10 * 7.8 * 7.6cm / 3.9 * 3.1 * 3in
Package Weight: 142g / 5oz

Package List:
1 * Macro Extension Tube Set
1 * Protective Bag
1 * User's Manual(English)