Description

Features:
Support accurate TTL & Autofocus.
Built-in electric pins.
Compatible with all EF and EF-S Canon lenses.
Combined of 3 tubes with different length of: 13mm, 21mm, 31mm.
Made of high-quality Aluminum material that is stronger.
Upgraded circuitry to work better with digital SLRs cameras and SLR lenses.
Superior lock pin which can tighten the tube joint.
Perfect for macro shooting.
High quality and compact.

Specifications:
Color: Red
Materials: Aluminum, PC, ABS
Compatibility: For all EF and EF-S Canon lenses
Macro tube size: 6.2 * 8cm / 2.4 * 3.1in (D * H)

Auto Distance Image Field Distance Exposure
Extension Reading of Magnification Coverage From Lens Factor
Tube Master Ratio (cm) Front to

Lens Subject (cm)

13mm Inf. 0.24 10 * 15 21 1.5
0.5m 0.35 6.9 * 10.3 16 1.8
21mm Inf. 0.40 6 * 9 13 2.0
0.5m 0.51 4.7 * 7.0 14 2.3
31mm Inf. 0.72 3.3 * 5.0 7.7 3.0
0.5m 0.83 2.9 * 4.4 7.0 3.4
13 21mm Inf. 0.64 3.8 * 5.6 8.5 2.7
0.5m 0.75 3.2 * 4.8 7.5 3.1
13 31mm Inf. 0.96 2.5 * 3.7 6.0 3.9
0.5m 1.07 2.3 * 3.4 5.5 4.3
21 31mm Inf. 1.12 2.2 * 3.3 5.3 4.5
0.5m 1.23 2 * 3 4.9 5.0
13 21 31mm Inf. 1.34 1.8 * 2.7 4.5 5.6
0.5m 1.47 1.6 * 2.4 4.2 6.1