All done/blockquote> Mike - Like Lucky Luke, creates threads faster than his shadow! (I've put my link as well)  

With macro photography, it’s always difficult to use low f-numbers, as you want a decent depth of field, and all of your subject in focus. Nonetheless...

Thanks for the example - yeah my aim at the time was for spikes :) But I will bear in mind for situations where I do not need that many spikes. Non-...

Forgive me for saying… and you’ve probably learnt this by now… by stopping down to f/22, you have lost some sharpness in the image due to lens diffrac...

Hey both - I couldn't quote as well for 2-3 days, but it is working fine now. I use Chrome.

Wow, great photos of rainbows, sundogs etc. Here my contribution of sundogs! IMG_3537.jpg by Sumitra_S, on Flickr IMG_3565.jpg by Sumitra_S, on Fl...

Brian - Thanks for your thoughtful comments! I'm glad we agree. The camera is having a nap at the moment, because of the weather, mostly but also beca...

Edit: my last paragraph appears to go off tangent but I think it was subconsciously in response to Sumitra, when you mentioned composite of foreground...

The stacked image has significantly less noise and also has better contrast. With the stacked image, I suspect you could push the levels and curves a ...

Haha :) Mike I am being distracted too!! Interesting shots to compare! The last one is quite dreadful! :) When I suggested to try all ISOs to com...

PS I will try to stack the ISO1600 later on after work and show you what it gives.

So here for you to compare ETTR ISO 12,800 30sec with non ETTR ISO 1,600 15sec Ceteris Paribus (including the level of LR5 torture) ETTR ISO 12,800 3...