NU -

Superb image - and thanks for repeating the tip about this apparently wonderful material!

David

Laurence -

This is a beautiful image!

David

It looks as though the price has risen:

http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... SS:US:1123

Franz -

This is another nice image!

David

Thank your for your answers! for David (dmillard): what camera are you using and how are the results? (as objective I used the russian Industar 61) Hello Franz, For UV, I currently use a Nikon D70 with a 35mm Noflexar or Nikon 63mm f/3.5 enlarging lens, with a pair of Vivitar 283 flashes with the p...

Thanks for sharing Craig -

That was interesting to see such a profound difference in performance!

David

Nice images Franz!

I was playing with a 35mm Noflexar and a Baader filter myself last weekend

Best regards -
David

Gérard -

This is a very nice portrait.

David

Wonderful images! The third one reminds me of a stained glass window.

David

Graham,

I know this was an old post, but I had to comment. Your garden looks wonderful, complex yet tranquil.

David

David, Interesting subject and approach. How 'thick' was the agate and how deep (approx.) was the oil of anise. I've heard of a similar approach being used with amber and immersion oil and I would like to lock the technique into memory for future recall. Craig Thanks Craig - The piece of fire agate...

I agree with Rik - Image 2 is stellar!

David

http://www.photomacrography.net/forum/userpix/159_firestak_copy_1.jpg Approx. 5mm field width, 35mm Canon Macrophoto lens,, stacked in HF I just photographed a piece of fire agate that I've had for the last 30 years. The iridescence is caused by interference colors from the thin layers of iron oxid...

Zeechar -

That looks nice! What's the diameter, height and mass of the base? Who is the manufacturer?

Thanks,
David

Thanks for posting this Dave. What I found most interesting is the degree to which ISO affects the various image quality measurements, swamping the differences between cameras. Looking at the charts really reinforces the need to use the lowest ISO available whenever image quality is paramount.