Features:
<br />Support accurate TTL & Autofocus.
<br />Built-in electric pins.
<br />Compatible with all EF and EF-S Canon lenses.
<br />Combined of 3 tubes with different length of: 13mm, 21mm, 31mm.
<br />Made of high-quality Aluminum material that is stronger.
<br />Upgraded circuitry to work better with digital SLRs cameras and SLR lenses.
<br />Superior lock pin which can tighten the tube joint.
<br />Perfect for macro shooting.
<br /> and compact.
<br />
<br />Specifications:
<br />Color: Red/ Blue/ Silver/ Golden
<br />Materials: Aluminum, PC, ABS
<br />Compatibility: For all EF and EF-S Canon lenses
<br />Macro tube size: 6.2 * 8cm / 2.4 * 3.1in (D * H)
<br />Macro tube weight: 146g / 5.1oz
<br />Package size: 9 * 7 * 7cm / 3.5 * 2.8 * 2.8in
<br />Package weight: 185g / 6.5oz                                                                                                                           Package list:
<br />1 * Macro Extension Tube Set
<br />1 * Bag
<br />1 * User Manual