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Showing posts from March, 2009

Hoya R72 77mm IR Filter

I ordered one today and this blog entry serves as a reference for delivery leadtime. Have a nice weekend, everyone!

HDR with Nikon D90

If you enjoy taking HDR images, then you know that the more exposure reference you have, the better HDR image result will be as transition is smoother and more realistic looking. So how many exposure reference is needed? Between 3 and 9 is optimal depending on image scenario. With Nikon D90 (or D80), bracketing has 3 options: 3F, +2F, and -2F. For better HDR work, always set +/-2EV for F. So by default, D90 can achieve 0EV, -2EV, and +2EV in one setting (3F). This is my default option when doing casual HDR images. But for serious or really extreme scenario, I usually employ 9 exposures. Here's my step: 1) Use a tripod to minimize post-processing alignment. 2) Turn OFF Auto ISO and set a fix White Balance value (or shoot in RAW to fix WB later). 3) Use aperture-priority mode. For landscape work, f8 and above (smaller aperture opening) is recommended. 4) Make sure exposure compensation is set at 0EV. See page 90 of Nikon D90 manual. 5) Make your composition. Focus and then disable au