Just another slant on this DIY idea. Whilst in the supermarket I noticed some Aluminum foil pots and dishes. 5 for a pound. Could be useful for a one off setup and smaller lenses.

Finished putting it all together Here is the final result.
I have put side on the deflector in front of the flash this has made a big difference. The photo of the light was done in a mirror as Don suggested, its not sharp as having all the Macro ext tubes on I couldn't focus
Wow that was enjoyable

Rob,
I was looking when in Morrisons but more for smarter than tin foil lining. No stock as sold out over Christmas. Did not think of it as a good pop-up ring though. Good plot though and I will check on next visit.

Don

Christine,
That head on shot is brilliant. Much better than I achieved. Lovely flow of light round the ring.

Just back from town, no flowers so bought a plant. Currently on the draining board as it was bone dry so I gave it a good soak.

Glad I did not cut holes in my Morrisons bowls yet as head is now spinning with make better, thoughts. :D :D

Just wait for Lello to see your pics. :)

Don

Don if you can get hold of that aluminium tape its brilliant I only paid a £1 for a 10 mtr roll at a pound shop and I have hardly used any. The only thing I may change if I find something better and that is the front opaque bit I think a whiter one maybe better thats where the tuppaware type of containers come in they have a lid.

Christine,

Initial thought were the bowl shaped one in yesterdays pic but you are probably right and the replacement for my acid bath, ( the one with the lid ), is looking ever more attractive. If you look at the head on pic you can see a crinkly finished surface ring round the outside.

If you want to try something else that I have not yet had a go with, try lining the bowl with printer paper. The light will be softer than from foil buy you should not need extra diffusion. Reduced reflectivity will probably cost you 1/2 a stop.

If you did not use additional diffusion on the posted pic then I don't think you have much to worry about, as those petals would have shown harshness if it was there.

I must go and eat then ....................... PLAY :) :)

Don

Don, here is one final test image, the scissors were taken with a straight 50mm lens and our (Blue Peter) ring flash:D. I used an a4 sheet of white paper as a backdrop and placed the scissors 2" in front to see if there was any shadows. Lens was set at F16. To get the whole of the scissors in the viewfinder I was about 2ft away. I think between the three of us we have cracked it.
:D :D

Excellent job Christine. :cool:

I will now play with seperate flash for the benefit of those like Foxy and me who do not have pop-up. D100 is Stevies.

Don

Don, how about something like this to attach an external flash, I can't try it as I don't have a sync lead (Something else I need to buy) but with the lead it would make the flash sit slightly higher on the bracket and make it point forwards instead of up at an angle. I would think the d70 and d100 is flat on the top, not like mine with the pop up flash. Just a thought.

Sorry It's taken me so long to get back to you. I'm sharing the P.C with my son at the moment, Apparently his University assignment is more important than my ring flash;) Christine, I'm very impressed with your Blue peter effort
looks good enough to sell to the world,
Don, your efforts with diagrams and enthusiasm etc never ceases to amaze me.
Well down to my measly effort.
In the first shot you can see the ring flash reflection in the bauble, and I'm now happy with the even spread of light, The second photo shows that I've now sorted out the uneven light by adding white foam to the window, see photo no three. And Finally the cardboard tube has been changed to a (don't laugh) tinned Tomato can with both end cut off. I will post a photo in my gallery later on.
Well done to all three of us, we accomplished what we set out to do, Making an inexpensive working ring flash :D

Very good Christine, You might have beaten don to the problem:D

Lello that looks brilliant, your flash looks slightly more even than mine and more central. I think with mine it is down to the front filter, I need to find some better opaque plastic. Until then I am happy with the result, its been great fun and I looking forward to Dons next project I can get my teeth into.:D

I'll just post this then catch up with you guys.

Before cutting into my 2 bowls I am experimenting with my origional ring with flashgun directly mounted to it as shown in post #239.

I have now added a mod to spread the light round the bowl a bit. A circular bit of card covered with foil on the inside ( outlined in red in the attached pic ). So much foil its getting hard to photograph with flash. :rolleyes:

Got bored with taking pics of reflection in the workshop glass door to show light spread, so did one in a camera lens instead. :)

The pic of the flower is the closest I got. 55mm lens, 12mm ext tube and 2x converter. The image is full frame and covers an area just less than a postage stamp. End of bowl to subject distance about 20mm.

More play tomorrow. :D

Don

Good thought Christine,

My X is a lot taller than the D100 see pic in post #277. I will leave making a bracket till last as I can temporarily just stick the flash into the stofen. Its more about getting the bowl right first. Everytime I look at it I have another idea. :rolleyes:

Don

Christine, I've just had an idea about your front diffuser, What about those paper decorating overhauls you find at Homebase and such places. They are cheap and have elasticated arms/legs maybe if you cut off an arm or leg the elasticated part will stretch over over the centre tube and rest of the sleeve should fit over the bowl, If you know what I mean?

Lello,

Well you have also cracked the light flow round the bowl. Nice touch using the bauble to show it.

It may be worth making a bit of a hood over the bowl window to gain extra power from the flash. A lot of the light will bounce off. Christine discovered the benefit of a bit of a cowl. I reckon you will gain 1 stop minimum.

Tomato tin !! There's lateral thinking. :D :D

As for enthusiasm, its down to you guys joining in, and as you say between us we have developed something really useful and DIRT CHEAP.

Don

It may be worth making a bit of a hood over the bowl window to gain extra power from the flash. A lot of the light will bounce off. Christine discovered the benefit of a bit of a cowl. I reckon you will gain 1 stop minimum.
I am looking into fixing some sort of hood, I need to wait for the weekend to go out and see what I can find, I looked everywhere in the house and there's nothing that fits the bill

Well I'm glad you have had some fun Christine.

Next project !!!!! .............. I still have not finished this one for those without pop-ups, just got pleasantly diverted by Lello again. :D :D

Don

Lello I made the cowl out of a plastic milk bottle the large 2lt size and then cut it to shape.

Why do I always get the blame :D :D

New toys
 

We went to Dereham today, and I took the opportunity to visit Wilkinsons to see Lello's ring in the flesh so's to speak. All gone, so no luck there. Whilest in the store I thought I would follow up on Robs foil containers idea. I bought a pack of 10 for £0:89p, the star buy of the day was the Pillow protector at £0:25p.

The material, spunbonded polyropylene looked good for diffusion material. So I lashed out 50 pence and bought two. Machine washable too.

Once home another idea for those on a limited budget and wanting a reflector or shoot through screen. A bit of 2mm garden fence wire folded into a rectangle ( ends bound with tape ), inserted, and the case zipped up, and you have a budget version of a Lastolite. The size is 44 x 72cm / 17 x 28 inches so quite useful.

I did some tests and it works fine. Pic 1 is a shoot through from a hot shoe mounted undiffused flashgun.

Pic 2 shows material texture.

Don

I'm definitely going to go and buy the pillow protectors:)
Can't wait to see what will come out of the workshop re: the tin foils.

Lello,

This time it's not your fault REALLY.

Stevies dad used to say to me " The trouble with you DIY'ers is that you never totally finish one job before starting another " :D :D

I used to remind him of that when he asked me to do something. :rolleyes:

Don

I'm the same, it's much more interesting starting a new project, than finishing an old one:)

I thought I would get this one out of the way before returning the the large flash bowl.

Using 3 of the foil pie containers I cobbled together a diffuser for a pop-up flash that is even more basic than the ring flash.
Total cost £0:30p. Free if you have a suitable takeaway and wash the containers. :D

Attatched a comparison shot that shows the degree of diffusion. No reflectors were used although I did think of 2 sheets of A4 printer paper.

A comparison of the light as reflected in the workshop door, taken from the same position, and images that show the device.

Lastly a sketch to show how it was made. Held on the camera by tape to the pop-up and a blob of bluetak on the lens.

I think between this, and the more sophisticated ringflash, we have shown just what you can do if limited by having only a pop-up and shortage of available funds for any flash kit purchase.

Don

Quiet impressive the reduction of shadows even though the device was not 360 degrees around the lens.

Nice job Don

I couldn't believe it when I opened the thread I can't stop laughing :D :D, another masterpiece of engineering. Its absolutely brilliant.

Well done Don, We'll have to see is if we can get you on to Blue Peter. Another class in design and technology:D
At this rate you won't have to wait 15 years to make your first million:D:D

Same here, when I put it on the camera. Looks a bit like a bug eyed monster from the front. :D

I reckon my G/No 45 Metz could support two turkey trays if I find them.

I did have thoughts of Ollie having a go, and taking a pic of the contruction of one of his models.

Don

Another great idea, but before you all rush to your nearest wilkinson or homebase etc, spare a thought for local retailers and independant DIY shops. My partners shop sells all this stuff at exactly the same price and sometimes even cheaper. I would urge anyone to consider, when making a purchase of any kind, can a local supplier provide this for roughly the same money? If they can then make the conscious decision to do shop local.

Obviously if local suppliers have grossly inflated prices compared to Wilkinsons etc then they become the obvious choice.

Sorry for moaning in this excellent thread.

I have finished the final modification to the ring flash front filter.
I had some very thick tracing paper which I laminated, One sheet was still a little to thin so laminated another and put the two together then cut the ring out. The first picture was of the finished ring the second was a test shot at F16 with 21mm ext tube.

Excellent Christine, I think you have cracked it! The light is definitely even now, I'm still doing little mods to mine, My problem is the FZ30 does not have a removable lens, so I trying to sort out a tube that is the right size (the tomato tin is slightly to small and I'm getting to much Vignetting.
And as I haven't made up my mind whether to keep the D70 I've borrowed I don't want to start messing with the lens on that.

Lello, I just used a cardboard roll, the sort that carpets are rolled on its quite large. I did have a little vignetting with the 50mm lens without the extension tubes so had to push the ring closer to the body unfortunately the rings gets sloppy at that point because the lens is thinner, so had to hold the ring to keep it level. I may put a little packing in to hold things more central..

Someone has nicked our idea of using camera flash as ringflash.:(

http://www.warehouseexpress.com/?/ph...ringflash.html

A neat unit Christine but I notice there is no competition on price. ;)

Don

Should of looked at this ages ago, I needed a project for the summer.

Thanks for this interesting thread. I now have my brain in gear and expect to be in the shed after browsing for materials!

Brilliant idea Don. Isn't it funny how we all strive for better light on our subject through one means or another then we do our best to try and diffuse or restrict it?? What funny critters photographers are!

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