Re: OT - Fiberoptics, anyone?

Hi Jostein The cap in teh 360 powers both strobes. The second head is scavenged from a very old Metz with a rotatable head. The strobe in the second head is the same as the one in the 360. I bought it as a spare part from Pentax. The original strobe did work, but I got occassional funny li

Re: OT - Fiberoptics, anyone?

On 8/23/07, AlunFoto <[EMAIL PROTECTED]> wrote: > Thanks David, > > That was kinda cool. :-) > So you basically get a dual gooseneck setup. But if you use so little > of the flash output area, won't you lose an awful lot of light? Probably. I just tacked them on that way because I thought they loo

Re: OT - Fiberoptics, anyone?

Now that's more like it! Thanks for a healthy counter-argument, Leon! :-) I did some experiments a couple of days ago with a set of 40 cm long, Ø 8 mm acrylic rods (aka plexiglass) and gaffer tape. In the first attempt i just cut the rods with a hacksaw, taped them onto the 540 flash and did some

Re: OT - Fiberoptics, anyone?

Thanks David, That was kinda cool. :-) So you basically get a dual gooseneck setup. But if you use so little of the flash output area, won't you lose an awful lot of light? In principle, My idea is very similar to yours. If you add more fibres, so that it covers a substantial part of the flash fr

Re: LED rings (was Re: OT - Fiberoptics, anyone?)

Very interesting, Rob. Thanks! That looks indeed like some of what I had in mind. :-) However, I think I would like to raise them on the flexibility. Their solution is a straight ring, while I want to retain the possibility of directing the light at will. I've been on the phone with the Norwegian

Re: OT - Fiberoptics, anyone?

Hi Jostein, You will loose a lot of light if you use a bundle of fiber optics, particularly if you don't prepare the ends of each fiber individually. It will also be very defused once the light exits the fibre. There are limitations to the angle you can bend them and a bundle will not bend we

Re: OT - Fiberoptics, anyone?

At 01:05 PM 23/08/2007, David Savage wrote: > (I've not used this one) I just tried it & it doesn't work with Autocad 2007 .dwf files. Cheers, Dave -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net

Re: OT - Fiberoptics, anyone?

If your interested, I made this 3D concept sketch during my lunch break: My flash has antennae!!! :-) You'll need to download and install a .dwf viewer though:

Re: LED rings (was Re: OT - Fiberoptics, anyone?)

On 23/08/07, AlunFoto <[EMAIL PROTECTED]> wrote: > That's probably what I'll do eventually, but I have serious problems > getting rid of the fibre optics idea... :-) Have you seen this? http://www.ringflash.cz/ -- Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL P

Re: OT - Fiberoptics, anyone?

I've located one company in Norway doing the same thing. :-) Jostein 2007/8/22, Digital Image Studio <[EMAIL PROTECTED]>: > On 22/08/07, AlunFoto <[EMAIL PROTECTED]> wrote: > > Here's a question for the technically curious. > > > > Do you think it will be worthwhile to use fibre optics to lead li

Re: OT - Fiberoptics, anyone?

That's one concern to take seriously. I've seen light sources for fibre optics with a circular "snout" where the fibre bundle goes in. However it should be doable to make a contraption like that to fit the head of an ordinary flash. Perhaps just do a styrofoam "proof of concept" first and then make

Re: LED rings (was Re: OT - Fiberoptics, anyone?)

That's probably what I'll do eventually, but I have serious problems getting rid of the fibre optics idea... :-) We'll see. Cheers, Jostein 2007/8/22, Toine <[EMAIL PROTECTED]>: > Hmm that would be my dream led ringlight. probably not. > > Maybe you should try a ringflash like this one: > http:/

Re: LED rings (was Re: OT - Fiberoptics, anyone?)

Hmm that would be my dream led ringlight. probably not. Maybe you should try a ringflash like this one: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=160146845797 They popup everywhere on ebay, sometimes very cheap. It won't do ttl. Voltage is below 7V and save on the K10D. I set the fl

Re: OT - Fiberoptics, anyone?

On 22/08/07, AlunFoto <[EMAIL PROTECTED]> wrote: > Here's a question for the technically curious. > > Do you think it will be worthwhile to use fibre optics to lead light > from an ordinary flash (eg. Pentax 540 FGZ) into various > configurations for macro flash purposes? > > I can't get the idea o

Re: OT - Fiberoptics, anyone?

- Original Message - From: "AlunFoto" Subject: OT - Fiberoptics, anyone? Here's a question for the technically curious. Do you think it will be worthwhile to use fibre optics to lead light from an ordinary flash (eg. Pentax 540 FGZ) into various configurations for macro

LED rings (was Re: OT - Fiberoptics, anyone?)

I bought a "Digislave 6400" from B&H just a week and a half ago. Mfg. website here: http://www.srelectronics.com/fr6400.html It's alledgedly very powerful, but not at all in the league of ordinary ring flashes. Not really useful for insects, imho. Did a write-up in my blog on the same issue the

Re: OT - Fiberoptics, anyone?

Why not. If you have the fibers you could try this. Much easier would be two 360 with diffusors on a flash bracket (novoflex or manfrotto). Another option I want to test are daylight high power leds. On ebay led ringlights can be found. I have found several cheap and very compact led flashlights.

OT - Fiberoptics, anyone?

Here's a question for the technically curious. Do you think it will be worthwhile to use fibre optics to lead light from an ordinary flash (eg. Pentax 540 FGZ) into various configurations for macro flash purposes? I can't get the idea out of my mind, and probably need some healthy counter-argumen