The Commlite AF Extension Tube Set (Plastic version) can perfectly transform your Lens into a Macro Lens for great Macro shooting. It drives the lens by film or digital sensor and does not affect aperture and image quality. Meanwhile, it is combined with 3 pieces of different tubes (length: 13mm, 21mm, 31mm) which can either be used separately or in any combinations (totally 7 different combinations) to satisfy your different magnification requirement. Furthermore, the tube is electronic one that can achieve functions of Auto-focus as well as TTL auto exposure by working with all EF and EF-S mount Canon lens.
Support accurate TTL & Autofocus
Built-in electric pins
Combined of 3 tubes with different length of: 13mm, 21mm, 31mm
Made of high-quality ABS material that is more strong
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, easy to carry
Specification:
Material: Plastic
Net Weight: 145g
Auto | Distance | Image | Field | Distance | Exposure |
13mm | lnf. | 0.24 | 10x15 | 21 | 1.5 |
21mm | lnf. | 0.40 | 6x9 | 13 | 2.0 |
31mm | lnf. | 0.72 | 3.3x5.0 | 7.7 | 3.0 |
13+21mm | lnf. | 0.64 | 3.8x5.6 | 8.5 | 2.7 |
13+31mm | lnf. | 0.96 | 2.5x3.7 | 6.0 | 3.9 |
21+31mm | lnf. | 1.12 | 2.2x3.3 | 5.3 | 4.5 |
13+21+31mm | lnf. | 1.34 | 1.8x2.7 | 4.5 | 5.6 |
Compatible with:
All EF and EF-S Canon lenses