Mokka mit Schlag » Photography

After months of consulting multiple manuals, books, forums, and experts, I finally figured out why my Canon 50D + 580EXII flash wouldn’t work in high speed sync mode. That is, when I turned on the flash the maximum shutter speed was 1/250s. No matter what I set the ISO, shutter speed, mode, or aperture to, I could never get shutter speed faster than 1/250s. No matter what mode and settings I applied to the flash and/or camera, as soon as the flash was ready, shutter speed dropped to 1/250s. (I could easily take pictures without flash at speeds faster than 1/250s as lighting conditions and settings permitted.)

If you’re encountering this problem on a 50D (and likely other Canon models) here’s what you (probably) need to do:
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Got a Canon 400mm f/5.6L from UPS today. I still have to take it out in the field, but despite the lack of image stabilization it’s possibly the sharpest lens I’ve tried:

This is handheld with flash but no tripod and wide open!
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Don’t forget to update the time in your digital camera to account for the recent Daylight Savings Time shift. Cameras are not as smart as our modern computers and cable boxes. They don’t automatically update for changing to and from Daylight Savings Time. you also need to remember to change the time settings in your camera when you move between time zones. Otherwise, a few months later you can find yourself puzzling over photos of diurnal raptors that seem to have been taken at 3 AM in the morning.

This weekend I rented a Canon EF 100-400mm f/4.5-5.6 L IS USM zoom lens. This is the first L series lens I’ve used for any length of time. Unfortunately, yesterday was too rainy and overcast to give it a real workout; but today was much clearer and I got to the park bright and early around 8 AM. Wow. the difference between this lens and the lenses I had been using bird photography was like night and day. Just look at this House Sparrow:

With and without flash, the images were crisp, sharp, and more often than not in focus. I was actually able to start choosing which images to keep based on composition and the interest of the picture. I no longer had to select only the one or two sharp images out of 100. For the first time, I was able to take super telephoto pictures that came out as sharp as the images taken with my hundred millimeter prime lens.
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This weekend I took the Canon EF 70-300mm f/4.5-5.6 IS DO USM out for a spin. The DO stands for “Diffractive Optics” which makes the lens a little sharper and a lot more expensive than the regular Canon EF 70-300mm f/4.5-5.6 IS USM lens. There were some nice photos like this Yellow-rumped Warbler:

However, it’s still not sharp enough for my taste, as seen when you zoom in:
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One of the promises of the EF-S lens mount was that the lenses could be smaller, lighter weight, and cheaper than full frame lenses. What happened?

While there are a dozen or so EF-S lenses on the market, and they are indeed smaller and cheaper than their full frame cousins, they’re all pretty low-end lenses. All the DO and L-series lenses are full frame lenses, which means I’m carrying a lot more weight than I’d like (and I could really feel that this morning at Jamaica Bay).
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