In search of winter birds…

December 12, 2009 by chuq · Comments
Filed under: Birdwatching, Photography 

Some thoughts on last weekend’s birding trip to the central valley, but more from a photography point of view….

When the winter birds arrive, it’s time for some special photography. Special and sometimes challenging. For me, the special winter bird is the Sandhill Crane, which winters in various locations along California’s central valley.  We also get large numbers of geese, including Snow, Ross’s and the Greater White-Fronted as well as our dear friend, the Canada Goose (aka “Flying Pig”), as well as a few zillion ducks.

But it’s the Cranes that I find most fascinating and challenging to watch and to capture. This is my third winter photographing in the refuges in the central valley, and this is the first year I’ve really gotten photos of the Sandhill Cranes I like:

Sandhill Cranes in flight

Sandhill Cranes in flightSandhill Cranes in flightSandhill Crane, Staten Island, California

It was also the first opportunity I’ve had to get some really good shots of the greater white-fronted goose, because at Los Consumnes I ran into a small flock that was close to the trails and not overly freaked at having people nearby.

Greater White-Fronted Geese
Greater White-Fronted GeeseGreater White-Fronted GeeseGreater White-Fronted Geese

So by all accounts, the trip was a success. When I was at Merced I got some nice flock shots, but to date, getting up close and personal with Sandhill cranes has been a real challenge, especially since I’m only shooting at about 400mm (plus crop factor) and not someone who carries around one of the 500/600/800mm behemoths with me. Anyone who wants to donate a 500mm lens to the cause, feel free to drop me email…

Sunset at Merced National Wildlife Refuge
Sunset at Merced National Wildlife RefugeSunset at Merced National Wildlife RefugeSunset at Merced National Wildlife Refuge

What you don’t see if you browse through my flickr sets from the merced and lodi/galt trip is how many images got thrown away….

I ended up throwing out every image taken at Woodbridge Road and Isenberg Crane Refuge because they were flawed. Every damn one.

When you go through your day’s shoot, one part of the processing workflow is rejecting dings. All photographers have dings, and I’ve found as my eye has matured my percentage of dings actually goes up, because I’m fussier about what I keep than I used to.

When you’re editing your photos and tossing out the dings, do you ever sit down and analyze why they’re dings? understanding what’s failing helps you understand the weaknesses in your technology and technique, and through that learn how to improve yourself as a photographer. Photos aren’t “magically” bad, they’re bad for a reason, and a little analysis and introspection can help you understand how to make better pictures.

Ice Fall on Yosemite Falls, Yosemite National Park in Winter

The first time I raelly sat down and analyzed my failures in detail instead of just tossing them was during a winter trip to Yosemite. Yosemite Falls had some interesting ice formations, and about every 20 minutes, chunks of ice would break loose and create an ice fall — I spent a wonderful couple of hours watching and shooting.

And 99% of the images were crap. unusable. Almost a “toss the camera in the river” moment, because I had no idea why, but I sat down and started going over the dings in detail looking for insight, but after about 30 minutes, I came to realize what I was seeing was camera shake — despite being locked down on a tripod like a good photographer does. It was one of the first times I’d done winter photography, and while I did most of it right, I neglected to use a remote shutter, and it was cold, so I was wearing gloves, which were thick enough that handling the camera and pushing the shutter button was causing me to bounce the camera around, causing motion blur; what finally caught my eye was that the blur was vertical — artifacts were in focus, but elongated.

I’m very good at using a remote shutter release now, and this is frankly one of those things where if you’re used to hand-holding a camera and shooting moving things, and you shift to tripod work shooting relatively static things (especially through ND filters for motion blur) you have to rethink your technique, because what makes it possible to freeze a goose in mid-air also protects you from motion blur and camera shake by freezing the motion of the camera; with really slow (10-30 second) exposures minor shake issues tend to disappear as well, but when you get in that middle ground around 1/4 second, it can be brutal. And the first time it bites you, it’s probably going to be a big surprise…

And that’s part of what happened to me last weekend. I made a couple of mistakes in my technique, both of them quite avoidable. The first was immediately obvious on edit: it was brutally cold (36 degrees) on site when I got there, and what was I doing? Driving around in my nice warm car with the heater turned up, rolling down the window and doing the car-blind thing taking photos of sandhill cranes, through a lens that immediately dewed up with condensed moisture when the nice cold air hit it from outside. oops.

My other problem? It was early morning, heavily overcast (and cold). I’m shooting at 400ISO, about as fast as I want to push the 30D, and I’m shooting my 300F4 plus a 1.4x, for 420 F5.6 before crop factor. And in the low light, I’m seeing shutter speeds of 1/250 to 1/400. It’s going to be tough getting really sharp images at that speed handholding that lens under the best of circumstances, and in this case, I was sitting in a running car, meaning the entire foundation of my shot was vibrating underneath me, and I was facing forward and shooting out the passenger window, meaning my ability to stabilize the lens was lousy. Bad shooting hygiene on a number of levels.

My worst mistake here? Not reviewing the early shots and catching the mistakes in the field. That’s why tools like the HoodLoupe exist and why I carry one in the bag with me. You can chimp this problem in the LCD, but I find it much better to use the loupe to get a good view of an image without glare. Only in this case, I just chimped and missed the problems until I got home.

In retrospect, pushing to ISO 800 and accepting a bit more noise would have helped, but being more careful about holding the lens, or being more persistant about shifting the shot to the driver side and using a beanbag on the doorframe would have helped a LOT. As would have being less interested in warm than good photography. And in this case, I forgot my gloves and was wearing a jacket that wasn’t heavy enough for the weather — don’t neglect the details of comfort, because they can make or break a trip; and the condensation issue would have gone away if I wasn’t trying to keep from freezing my fingers off between shots…

These are all learning tools if you choose to make them so. Was the trip a failure? Far from it; I did get some nice shots of the cranes, and I got some really good shots of the geese, and even if i wish I’d gotten more (and better) shots, there’s always next time. And now I have a better feel for what I need to do to shoot well in those kind of field situations.

And that’s never a bad thing; and there’s always next trip.

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