- 商家货号：D928S
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.
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:
Materials:PC, ABS
Compatibility: For all EF and EF-S Canon lenses
Macro tube size: 6.2 * 8cm / 2.4 * 3.1in (D * H)
Macro tube weight: 146g / 5.1oz
Package size: 9 * 7 * 7cm / 3.5 * 2.8 * 2.8in
Package weight: 185g / 6.5oz
| Auto Extension Tube | Distance Reading of Master Lens | Image Magnification Ratio |
Field Coverage (cm) |
Distance From Lens Front to Subject (cm) | Exposure Factor |
| 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 |
Package list:
1 * Macro Extension Tube Set
1 * Bag
1 * User Manual
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