Auto macro extension tube support TTL & AE for Canon camera 13mm 21mm 31mm

FOB Reference Price:Get Latest Price
$17.00 - $22.00 / Sets | 120 Set/Sets (Min. Order)
Lead Time:
Quantity(Sets) 1 - 50 51 - 5000 >5000
Est. Time(days) 7 12 Negotiable
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Quick Details
Brand Name:
Model Number:
Focus type:
Aluminum Bayonet
Suit for:
3 Tubes
perfect coupling
Length of Tubes:
CE, RoHs
Supply Ability
Supply Ability:
500000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Items per Carton: 48 Pieces / Carton
Package Measurements: 47X39X31 CM
Gross Weight: 10.00 KG
Package Type: neutral color box for our camera lens macro extension tube
Lead Time :
Quantity(Sets) 1 - 50 51 - 5000 >5000
Est. Time(days) 7 12 To be negotiated

Auto macro extension tube support TTL & AE for Canon camera 13mm 21mm 31mm


 Introduction : 


This Metal AF Extension Tube Set 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. 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. Also, 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 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:Aluminum Bayonet , Copper electric pin, PC
  • Color: Black,Blue,Red,Silver,Golden
  • Macro tube size: 6.2 * 8cm / 2.4 * 3.1in(D * H)
  • Macro tube weight: 145.5g
  • Package size: 13 * 7 * 7cm 
  • Package weight: 200g 
Auto Extension TubeDistance Reading of Master LensImage Magnification RatioField Coverage(cm)Distance From Lens Front to Subject (cm)Exposure Factor
13mmlnf. 0.5m0.24 0.3510x15 6.9x10.321 161.5 1.8
21mmlnf. 0.5m0.40 0.516x9 4.7x7.013 142.0 2.3
31mmlnf. 0.5m0.72 0.833.3x5.0 2.9x4.47.7 7.03.0 3.4
13+21mmlnf. 0.5m0.64 0.753.8x5.6 3.2x4.88.5 7.52.7 3.1
13+31mmlnf. 0.5m0.96 1.072.5x3.7 2.3x3.46.0 5.53.9 4.3
21+31mmlnf. 0.5m1.12 1.232.2x3.3 2x35.3 4.94.5 5.0
13+21+31mmlnf. 0.5m1.34 1.471.8x2.7 1.6x2.44.5 4.25.6 6.1



Product Photos:










Business Lines:

high quality of waterproof housings For Cameras,Phones,Ipad, and other camera accessories like Macro extention tube,Camera belt clip,Monopod, 360 degree Rotation Gimbal Head For Telephoto Camera Lens , Camera Video Stabilizer System , Digital Camera Track Slide Ball Bearing Rail System ,table dolly car ,etc.




What's The differences of Our Meikon products ?

  • high Impact PU material with O-ring gaskets seal on all our camera housings ,Ipad, iphones,Samsungs.
  • 40M waterpoof depth,1M shockproof  for  camera housings and some phone cases.  100% waterproof  test before shipment .                  
  • 2 years warranty quality guaranteed for Camera housings ,1 year for phone cases and other diving accessories . all it meets IPX8  



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