Xpro1.7X Extende Tube

Product parameter
Product Mode
:64(3ED)
Lens Structure:6 elements in 4 groups(includes 3 ED elements)
Product Size
Range Of Application
Category of Application:Extender Extension Tube
Material:All metal
Coating
Focal Length:Original lens
Aperture Range
Magnification:Original lens
Depth Of Field:Original lens
Product Features
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Global first.It has the two-in-one function of AF extender/extension tube
64APO, ED,
The lens group employs 6 elements in 4 groups APO optical structure,which includes 3 top ED elements of high refractive index and low chromatic aberration,the independent lens group
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Quick mounting&dismounting design.Extender---extension tube,change as you wish.
.(EF-S)
Support AF on the professional telephoto lens when in extender mode.Support AF on all lenses when in extension tube mode(including the EF-S lens).
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Employs copper-aluminum all metal structure.Extremely sturdy and durable;Gold-plated contacts;High-precision bayonets;Exquisite workmanship.
Optical system
64 6 elements in 4 groups
64APO ED,.
In the 6 elements in 4 groups APO optical system,employs the lanthanide ED lens of high refractive index and low dispersion.Employs the entire surface ultra-wideband multilayer coating and the global leading matting paint technology as well as the high precision micron level assembly technology.
Product details
,copper,aluminum all metal structure
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All the products employ the metal structure,and the workmanship in the surface oxidation treatment is exquisite.The high-precision copper bayonets are able to prolong the bayonet service life.
Gold-plated
Electronic contacts
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The contact on both ends employs the China leading electroplating technology.The gold-plated contact is more durable;The communication is smooth;The performance is more stable.
Internal matting
Electronic contacts
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The lens group inwall employs the combination form of global leading matting paint and thread matting to effectively eliminate stray light and ensure imaging won't be affected.
Store
EVA Shockproof high-end EVA
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The independent storage of the lens group makes it easy to use.The shockproof package employs the high-end EVA material.
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Extender/Extension tube

You want to mount the extender group in the the extension tube

You want to mount the extender group into the spring plate
:,
Note:You want to pinch and hold the finger slot of the extender group by fingers when mounting it.

You want to rotate the extender group until it is in the spring plate

Enjoy ...Originality
& extender/extension tube
Change as you wish
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Sony SLR lens+extender&extension tube=super macro
,!
When in macro mode,you want to directly put the macro adapter ring into between the camera and the lens!
More play methods
Supported lenses
Focal length
Maximum display aperture
Autofocus
Note
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The above list only shows current lenses.
.Signifies AF available.
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Signifies Af is available only when working with some models.
Signifies AF is unavailable.
1.0.8.
The AF range is from about 0.8 meters to infinite.
2.EOSM ()\EOS-1D X\EOS-1Ds Mask III\EOS-1Ds Mask II\EOS-1Ds\EOS-1D Mask IV\EOS-1D Mask III\EOS-1D Mask II N\EOS-1D Mask II\EOS-1D\EOS-1V/HS\,.EOS.
AF is available only when working with EOSM ILDC Auto(phase focus),EOS-1D X,EOS-1Ds Mask III,EOS-1Ds Mask II,EOS-1Ds,EOS-1D Mask IV,EOS-1D Mask III,EOS-1D Mask II N,EOS-1D Mask II,EOS-1D,EOS-1V/HS and using the central focal point to fucus.Only MF is available when working with other EOS cameras.

3.EOS MEF,.
AF in all lenses is available when used on the Canon EOS M plus EF lens bayonet adapter.SLR which supports the live-view system with the extender can also realize AF on the lenses which can be used.
Lens group analysis
Aluminum alloy lens loop
EDED element
:Structure analysis
;Product Introduction
Playing methods show