Dispatch: Usually will be shipped in business days hours
Support accurate TTL & Autofocus.
Built-in electric pins and drives.
Compatibility: for all EF and EF-S Canon lenses.
Combined with 3 tubes in different length: 13mm, 21mm, 31mm; totally 7 different combinations.
Made of copper and lead (not plastic) 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.
Material: Copper, Lead, PC
Macro tube size: 6.2 * 8cm / 2.4 * 3.1in(D * H)
Macro tube weight: 241g / 8.5oz
Package size: 13 * 7 * 7cm / 5.1 * 2.8 * 2.8in
Package weight: 279g / 9.8oz
|Auto Extension Tube||Distance Reading of Master Lens||Image Magnification Ratio||
|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|
1 * Metal Macro Extension Tube Set
1 * Bag
1 * User Manual
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Based On 2 Customer Reviews
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By y**** December 2, 2016
It's a cheap way to have the capabilities of a macro lens but requires some knowledge of basic exposure and exposure adjustments when using the extension tubes.I would definitely recommend them to others wanting to explore their photography skills & look forward to working with them.
By w**** December 1, 2016
These extension tubes work great. The trick to mount is to align the triangular arrow with the alignment mark on camera body or lens adapter (I'm using Canon Mount Adapter EF-EOS M) The white square alignment marks match up only when fully mounted. Sort of great little macro rings for the casual photographer who likes to experiment on the cheap! Decent quality for the price!
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