Features:
Macro extension tube set for Canon EF/EF-S lens and DSLR cameras.
Includes 3 tubes of different lengths: 13mm, 21mm, 31mm.
Can be used individually or in any combination to achieve various magnification effects.
With gold-plated electric pins, supports auto focus and auto exposure.
Metal & plastic material, lightweight and portable; perfect for macro shooting.

Specifications:
Material: Metal + Plastic
Tubes: 13mm, 21mm, 31mm
Fits: for Canon EF/EF-S lens & DSLR cameras
Package Size: 10 * 8 * 8cm / 3.9 * 3.1 * 3.1in
Package Weight: 170g / 6oz

Notes:
The camera and lens showed in the picture are not included.

Package List: D6635
1 * Extension Tube Set
1 * Users' Manual(English)