The 360° Extension Arm With Ball Head Mounts from CAMVATE offers 1/4"-20 mounting threads on both ends. Made of aluminum and metal parts, the arm measures 7.5" long when fully extended. The 360° adjustable arm can hold a weight of 3.3 lb. Two black tightening knobs secure the four articulating joints in place.

1/4"-20 Male Screws on Both Ends    4 Points of Articulation    7.5" Total Length, 3.3 lb Load Capacity    360° Adjustment, 2 Black Knobs

Related Questions and Answers

Q: 1. Does autofocus work for pre-AFS lenses, the AF and AF-D lenses that don't have focus motors in the lens but use the AF motor in the camera?

A: Yes, there are communication contacts on these tubes and will autofocus with AF and AFD lenses.

Q: 2. Would the lights on front of the Canon 35mm EF-S Macro lens still work with these tubes?

A: Yes, the Vello Auto Extension Tube Set for Canon EF/EF-S Mounts and Lenses V2 maintains electronic communication, so the light on the Canon EF-S 35mm f/2.8 Macro IS STM Lens should work with the tubes.

Q: 3. does anyone know what maximum ratio (e.g. 2:1) you can achieve with these on a canon 100mm f/2.8L and a canon 50mm f/1.8?

A: The set of 3 tubes will give maximum magnification of 1.65X with Canon 100L macro, and 1.45X with Canon 50mm F1.8II, and 1.51X with the new Canon 50mm STM. You can calculate the magnification for other lenses, on the site cambridgeincolour in the Tutorials section.

Q: 4. Is the top plate removable?

A: No

Q: 5. will these fit on a nikon 200mm macro lens?

A: Yes

Q: 6. Where is Auto Extension Tube Set made?

A: The Vello Auto Extension Tube Set for Canon EOS is manufactured in China.

Q: 7. How close would it get to a jumping spider if i added these to my 100 macro L series 2.8 is usm lens ?

A: you can get few inches to the subject

Q: 8. effect image quality?

A: Because there are no optics in the tubes, the Vello Auto Extension Tube Set does not reduce the optical quality of a lens.

Q: 9. Can I use this adapter using the canon 24-105mm lens and the Canon to Sony E mount metabones speed booster attached to the FS7? Don't care much about auto focus. I just want to still control aperture from the camera, have no vignetting.

A: I used the tubes with my canon D70 and my 2 lenses, the canon 18-135mm 3.5-5.6 and the canon 50mm 1.4 and I had no communication problems between the lens and the camera being able to change the amplitude of the diaphragm and use the focus automatically with normality.

Q: 10. Is Vello AF tube compatible with following combination of Camera + LenaCamera: Canon 70DLens1 : Tamron 90mm Macro without VCLens2 : Canon 18-55 EF-s

A: Yes, the Vello Auto Extension Tube Set for Canon EOS is compatible with the Canon 70D and Tamron Macro 90mm and Canon 18-55mm EF-S lenses.