The Cokin 43mm Extension Ring provides an increase in distance between the filter ring of a lens and a filter holder in order to accommodate retracting lens designs that are common on many zoom lenses. This ring is compatible with filter threads measuring 43mm in diameter and accepts filters, holders, or adapter rings that are also 43mm in diameter.

43mm Front and Rear Threads    Increase Distance Between Holder & Lens    Ideal for Retractable Lens Designs

Related Questions and Answers

Q: 1. Is this flash compatible with a Sony nex 7?

A: You may purchase the Vello HSA-CSASM Sony/Minolta to Sony Multi-Interface Shoe Adapter, B&H # VEHSACSASM, to adapt the FotodioX Pro Macro Extension Kit with LED Ring Light 48a for use on the Sony E-Mount Cameras on the Sony Alpha NEX-7 Mirrorless Digital Camera. Do note that this is a continuous LED light fixture, not a strobe/flash unit.

Q: 2. Is this kit appropriate for Sony a6500?

A: Yes, the FotodioX Pro Macro Extension Kit with LED Ring Light 48a for Sony E-Mount Cameras would be compatible for use on the Sony Alpha α6500 Mirrorless Digital Camera.

Q: 3. Will this fit a Chimera 30" Lantern?

A: Yes this speed ring can work with a Chimera 30" Lantern.

Q: 4. Will this add on fit Sonya6500?

A: Yes it fits the A6500.

Q: 5. Will this EC200 work with the new AD200Pro?

A: Yes it is made to work with AD200 and AD200Pro

Q: 6. Will this kit work with Sony nex7?

A: Yes it is compatible with the NEX 7.

Q: 7. Are the locating pins retractable or fixed? Looking to mount the Zhiyun quick connectors on this handle if possible. Thanks

A: Unfortunately the locating pins are fixed.

Q: 8. I've received the EC200 and AD200, yet cannot open the connection for use. How is it done?

A: There are two controls on the side: the button swivels the unit, while the slide-tab unlocks the head so it may be pulled open.First: slide the tab down to unlock the head;Then: slide the head forward such that it protrudes on the opposite side to the cold-shoe piece. (i.e. Don't pull it apart, ratrher push it forward.)

Q: 9. Will it reduce the power output of the AD200?

A: No power reduction with the AD200.

Q: 10. Can two of these be combined to give a longer length? Will the AD200 still function?

A: Yes, you can combine 2 of these and the AD200 still functions. However, I have not measured the attenuation-power loss as power travel the length of the cords. I don't think it is significant.