Paul C. Buff, Inc. Technical Forum :: View topic - Speedring insert to use PCB foldable softboxes on a Bowens

I have the PCB 47" foldable octabox, 24"x36" foldable softbox, and (2) 10"x36" foldable stripboxes for my Alienbees and Einstein. I love my setup and the modifiers. I would like to use the modifiers for my speedlights as well. I have the Cheetah Speed Pro Bracket Mk II for my speedlights. It uses the Bowens mount. Does anyone make a Bowens speedring insert that will fit the removable insert in the PCB softboxes?

I measure the PCB insert at 142mm / 5.5". I can't seem to find a Bowen's insert at this size (when I can even find the information about the diameter of the insert).

Can anyone help?

Thank you in advance.

Author:	jrybolt [ Wed Jan 01, 2014 5:52 pm ]
Post subject:	Speedring insert to use PCB foldable softboxes on a Bowens
I have the PCB 47" foldable octabox, 24"x36" foldable softbox, and (2) 10"x36" foldable stripboxes for my Alienbees and Einstein. I love my setup and the modifiers. I would like to use the modifiers for my speedlights as well. I have the Cheetah Speed Pro Bracket Mk II for my speedlights. It uses the Bowens mount. Does anyone make a Bowens speedring insert that will fit the removable insert in the PCB softboxes? I measure the PCB insert at 142mm / 5.5". I can't seem to find a Bowen's insert at this size (when I can even find the information about the diameter of the insert). Can anyone help? Thank you in advance.

Author:	Technical Support [ Thu Jan 02, 2014 10:50 am ]
Post subject:	Re: Speedring insert to use PCB foldable softboxes on a Bowe
The Photek Illuminata speedring inserts fit. However, I have not seen a Bowens insert in about a year. One of these may also work, though I have not tested them specifically. http://www.dennymfg.com/ProductDetailsN ... bcb86d2c04 It is hard to find diameter specs on speedring inserts. These are from either deduction or first hand experience.

Author:	Keano12 [ Sat Mar 28, 2015 12:05 am ]
Post subject:	Re: Speedring insert to use PCB foldable softboxes on a Bowe
This sucks. I was excited I could use PCB softboxes on Bowen light. Now back to square one

Author:	Keano12 [ Sat Mar 28, 2015 9:56 am ]
Post subject:	Re: Speedring insert to use PCB foldable softboxes on a Bowe
jrybolt wrote: I have the PCB 47" foldable octabox, 24"x36" foldable softbox, and (2) 10"x36" foldable stripboxes for my Alienbees and Einstein. I love my setup and the modifiers. I would like to use the modifiers for my speedlights as well. I have the Cheetah Speed Pro Bracket Mk II for my speedlights. It uses the Bowens mount. Does anyone make a Bowens speedring insert that will fit the removable insert in the PCB softboxes? I measure the PCB insert at 142mm / 5.5". I can't seem to find a Bowen's insert at this size (when I can even find the information about the diameter of the insert). Can anyone help? Thank you in advance. Thus should work if insert is a little big? http://www.hollywoodwelding.com/metalwork/

Author:	Technical Support [ Sat Mar 28, 2015 12:51 pm ]
Post subject:	Re: Speedring insert to use PCB foldable softboxes on a Bowe
We have tested this one and it will work http://www.bhphotovideo.com/c/product/8 ... R_FOR.html

Paul C. Buff, Inc. Technical Forum http://www.paulcbuff-techforum.com/

Speedring insert to use PCB foldable softboxes on a Bowens http://www.paulcbuff-techforum.com/viewtopic.php?f=8&t=4314	Page 1 of 1

Author:	Keano12 [ Sat Mar 28, 2015 7:44 pm ]
Post subject:	Re: Speedring insert to use PCB foldable softboxes on a Bowe
Technical Support wrote: We have tested this one and it will work http://www.bhphotovideo.com/c/product/8 ... R_FOR.html :) you made my day. I'm now about to buy 4 softboxes!

Author:	bobk [ Mon Apr 06, 2015 3:20 pm ]
Post subject:	Re: Speedring insert to use PCB foldable softboxes on a Bowe
Technical Support wrote: We have tested this one and it will work http://www.bhphotovideo.com/c/product/8 ... R_FOR.html From the photos, it looks like that's a little deeper than yours. Will yours be available again sometime, or is it permanently dropped? I think I'd prefer the shallower one. (and I have to mention, this question recalls an instance when PCB explained in great depth why the shape of some 3rd-party speedring adapter made for inferior light. I can't remember what forum it was but he got into a very heated discussion that he didn't intend to lose. His passion is missed.)

Author:	Technical Support [ Wed Apr 08, 2015 9:08 am ]
Post subject:	Re: Speedring insert to use PCB foldable softboxes on a Bowe
The Bowens adapter is marginally deeper than our adapter overall (about 1/2") and the Bowens adapter protrudes past the larger flange a tad, making the flashtube to softbox distance within 1/4" or so of our adapter. Yes, the position can make a difference, but that will be based on the design of the softbox and the design of the light used. I believe Paul's argument was a flat adapter or a very deep adapter (i.e. an adapter on an adapter) on a Buff light (with a flat faceplate) with our softbox would be less effective than the curved inner rings we use. Bowens lights with integrates reflector faceplates or adapters for speedlights would react differently, and a deeper speedring may not matter. Incidentally, I believe this was discussed on Fred Miranda. We will continue sales of our adapters, though I cannot give a date of when they will be available at this time.

Author:	Technical Support [ Tue Jun 30, 2015 11:07 am ]
Post subject:	Re: Speedring insert to use PCB foldable softboxes on a Bowe
For what it is worth, our adapters are back online for sale. http://www.paulcbuff.com/speedrings.php

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