The #403 Step-Down Ring from Heliopan permits the use of 67mm filters on a 77mm threaded lens. It features a durable brass construction to prevent jamming and binding, and it has a matte black finish to reduce reflections.

Use 67mm Filters on 77mm Lens    Brass Construction    Matte Black Finish

Related Questions and Answers

Q: 1. will this RFi Speed Ring fit a D2?

A: Yes this RFI ring will fit and work on a D2 Profoto light. You will need to use it with an RFI softbox.

Q: 2. if i want use D1 & D2 with Profoto Softbox RFi 5' Octa i should buy RFI SPEED RING ?????

A: Yes you do need a speed ring (RFI)

Q: 3. Just wondering if this will work on my Pentax K3ii ?

A: No, this flash is meant for a Sony camera.

Q: 4. Will this tripod work with my Canon PowerShot SX530 HS camera?

A: The Magnus Aluminum Travel Tripod with Monopod and Arca-Type Ball Head is compatible with the Canon PowerShot SX530 HS camera.

Q: 5. Is this compatible with the Nikon D850?

A: The Nissin MF18 Macro Ring Flash for Nikon is fully compatible with the Nikon D850 DSLR Camera.

Q: 6. Would this speed ring be compatible with a Westcott Softbox with an Indra360?

A: Yes, the Phottix Speed Ring for Bowens Mount (144 mm) is compatible with the Indra 360.The speeding is compatible as well with most but not all Westcott softboxes.

Q: 7. Is it compatible with NIkon D810 on i-TTL and Flash compensation mode?

A: It works perfectly in my D800 / In fact I do also have a D70, a D90 and a D7100 // The Nissin is a great product and provides an easy way to deal with i-TTL with my Nikons.I am a Dentist and macros are my photos in the office. I have everything on flash lights for those cameras //SB29 - SB200 (the complete kit including the remote command 800), the Medical lens itself and the Nissin /The Nissin has tons of adjustments and a great auto mode and it's also a user friendly interface, very intuitive.I definitively recommend this product.

Q: 8. Will this work with Godox ad100

A: No, the Profoto Speed Ring for OCF Flash Heads is too large for the Godox AD100.

Q: 9. What is the diameter of this Phottix Raja speedring? Dimension is not given in the specs.

A: This ring has an outer diameter that is a little over 5 10/16 while the inner diameter is 4 5/8 .

Q: 10. Will this work with a Profoto b2 head?

A: Yes, the Profoto Speed Ring for OCF Flash Heads can work with the Profoto B2.