Macworld Photowalk

I’m setting up a photowalk for the Monday before Macworld, probably starting around 2PM. We’ll meet near Moscone center, probably in front of the registration area. There should be some great locations to photograph, including Yerba Buena Garden, Powell Street cable cars, and the Union Square area. If it goes late, we can probably start working our way towards 21st Amendment for the Macworld Monday Tweetup.

Photos of the day

This afternoon the sky looked like it came straight from “The Simpsons”, so I was inspired to take a few shots of the clouds. I decided to do exposure bracketing and use HDR processing so I could enter them in Hydra’s HDR contest.

DSC_2136_HDR

DSC_2148_HDR

Getting perfect white balance

When you’re shooting in mixed light, most camera’s automatic white balance can give incorrect or inconsistent results. The most accurate way to get the correct white balance is by measuring it. Most photographers carry a gray card for measuring & setting white balance, but Photojojo has something a lot more convenient: the white balance lens cap.

White Balance Lens Cap

Instead of carrying around something extra, simply replace your lens cap with the white balance lens cap. Before you start shooting in a new location, measure the light and set the white balance. Then remove the lens cap and shoot normally.

On a D90, press the white balance button and turn the command dial until it shows PRE. release the white balance button and press it again and hold until PRE starts blinking. Set the camera to automatic exposure and snap a picture (which will be solid white/gray). The display will flash GOOD if it was able to successfully capture a reference image. That’s it – you can now shoot normally.

Here are two sample images, taken with automatic white balance and measured white balance, both with no adjustments. The wall is off-white and the lighting is a halogen lamp.

DSC_2079.jpg DSC_2085.jpg
Automatic white balance Measured white balance

A bit of Christmas cheer

The people in my condo really go all out for Christmas, so I walked around and took some photos of the decorations. The D90 still continues to impress and amaze me with its performance at high ISO settings. I simply used Aperture priority with the widest aperture and auto ISO with a maximum of 3200 when I took these shots.

DSC_1666

The D90’s video capability also came in handy.

Photographing holiday lights

I haven’t had much of a chance to blog in the last week, since life & work got in the way. I had an awesome time Monday night when my friends took me out to dinner at 101 Ocean for my birthday.

People are already starting to put up their Christmas decorations – they don’t even wait for Thanksgiving any more. One of my neighbors put up blue lights & butterflies, as you can see from this photo.

Shooting holiday lights can be a challenge, since the camera will try to adjust the exposure for the background, which will make the lights disappear. Instead, you want to underexpose the picture enough to darken the background and make the lights stand out.

You might be able to get good results using exposure compensation, but to really get it right, you need to use manual exposure. It’s difficult to apply any standard exposure rules, since the ideal exposure depends on how dark it is and the color, size, and brightness of the lights, so you’ll probably need to experiment to get the best results. I took these pictures shortly before sunset tonight and I found that I got the best results using shutter speed 1/30 at f5.6 with ISO 1600. A good way to start is by using one of the semi-automatic modes and noting the shutter speed or aperture it chooses, and adjusting it from there.

The D90’s excellent high ISO performance makes it a lot easier to get good results in these conditions. With a lot of cameras you wouldn’t want to go above ISO 800, so you’ll need to adjust the shutter speed & aperture accordingly.

Blue lights & butterfly

LowePro FastPack 250

For most of my recent trips, I only took a small point & shoot camera instead of my D40x, so I would need only one carry on bag. I really want to take my D90 to Macworld Expo, so I started shopping around for a case that can hold both a laptop and a full sized DSLR camera. I decided on LowePro’s FastPack 250. It has a camera compartment accessible from the side that will hold the D90 with the 18-105mm lens attached, plus several other compartments for additional lenses and accessories. A compartment in the rear will hold a 15″ laptop, and there are several other pockets for accessories.

DSC_1255 Laptop & Camera compartment\
Camera Compartment LowePro FastPack 250

Music video created with Nikon D90

Bee Ng has created a music video shot entirely with a Nikon D90. The quality really looks great.

As this demonstrates, the time & size limit for D90 video isn’t really a problem if you’re going to be doing any editing. You can shoot separate scenes, which will fit easily in the time limit, and join them.

Oktoberfest

I went to Oakland Park’s Oktoberfest today. It took place for the first time in the brand new Jaco Pastorius Park, so there was a big traffic jam & lots of confusion with parking.

I took lots of photos and a few videos with my D90. Most of the activity took place in a large tent with very uneven lighting, so I had to do some experimentation to get the exposure right. I found that in this case center weighted metering worked better than matrix, since the outside light seemed to throw it off.

I had to raise the ISO since it required a long exposure even with the largest aperture. This was the worst case, at 1/20 which blurred the dancers, although I liked the effect so I kept it.

Oktoberfest 2008

Here’s another one, this time with more cowbell.

More Cowbell!

You can see the full set of pictures here.

No Oktoberfest is complete without the chicken dance, so I had to make a video of it.