Fireworks with Sigma 17-70mm f/2.8-4.5

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All pictures were shot in South Lake Tahoe in a beach far from the the fireworks. I cropped most of the pictures to get much closer. I used tripod but forget to stabilize the tripod with more weight in the center hook provided with my tripod. I should have been more aware of the weight and steady issues in the shooting. Overall, I can't complain much about the travel lens with Sigma 17-70mm f/2.8-4.5. It did the job fine for me in the Labor day long weekend trip with my family.

fireworks with sigma 17-70mm f/2.8-4.5 and pentax k20d

fireworks with sigma 17-70mm f/2.8-4.5 and pentax k20d
Shot before the fireworks
fireworks with sigma 17-70mm f/2.8-4.5 and pentax k20d

Impressions & Notes
  • I used manual mode in f/5.6, iso 400 and shutter speed among 1/3, 1/4 and 1/2 seconds.
  • Tripod was used along with my wireless F remote, I forgot to stabilize the tripod with added weight. Since I shot the entire series in a sandy beach location, the added weight would have prevented minor movement
  • Some shots have overexposure clipping highlight in the core of the fireworks, less seen in my previous trial with Tamron 28-75mm f/2.8 and Pentax DA 10-17mm f/3.5-4.5 fisheye.
  • I should have attempted smaller apertures as in f/8.0 and smaller and see for a difference



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