While discussing photographic situations and problems with my friend Greg, we discussed the need for speed. Shutter speed that is. In photography it is truely a give and take world. A properly exposed picture is the right combination of shutter speed and aperture based on the sensitivity of the sensor. These three things play together. In perfect lighting situations, an ISO (the sensitivity) of 200, aperture of f7.1 and shutter speed of 1/1000 second would produce a nice image. As the light fades, we need to change these settings. When we increase the ISO, we introduce noise to the photo. F7.1 is the sweet spot for my lens, when I open the aperture up, the pictures loose clarity and with slower shutter speeds I run into camera shake and motion blur.
So what are the compromises. This year, I’ve been making an attempt to shoot off a Tripod as much as possible. That helps with camera shake. In this discussion with Greg, he suggested that shutter speed was more important than ISO sensitivity. So, I’ve been cranking up the ISO to see what happens. With the Canon 40D, I’ve been getting good results with very high ISO’s. Some photos have simply amazed me.
The leaves came out really early this year and the forests became very dark under a heavy canopy. As I went out searching for birds to shoot, I also looked for breaks in the canopy that might allow for better lighting. Traveling though Scioto Trail State Forest, I came across this stunning Rose-breasted Grosbeak. The lighting was just terrible. I turned up the ISO and held my ground with f7.1. Shooting on a tripod I got these 2 shoots. I am just simply amazed. .
Camera: Canon EOS 40D; Exposure Time: 0.01s (1/100); Aperture: f/7.1; ISO: 1000; Focal Length: 400mm (640mm in 35mm)
So what are the compromises. This year, I’ve been making an attempt to shoot off a Tripod as much as possible. That helps with camera shake. In this discussion with Greg, he suggested that shutter speed was more important than ISO sensitivity. So, I’ve been cranking up the ISO to see what happens. With the Canon 40D, I’ve been getting good results with very high ISO’s. Some photos have simply amazed me.
The leaves came out really early this year and the forests became very dark under a heavy canopy. As I went out searching for birds to shoot, I also looked for breaks in the canopy that might allow for better lighting. Traveling though Scioto Trail State Forest, I came across this stunning Rose-breasted Grosbeak. The lighting was just terrible. I turned up the ISO and held my ground with f7.1. Shooting on a tripod I got these 2 shoots. I am just simply amazed. .
Camera: Canon EOS 40D; Exposure Time: 0.01s (1/100); Aperture: f/7.1; ISO: 1000; Focal Length: 400mm (640mm in 35mm)
Camera: Canon EOS 40D; Exposure Time: 0.01s (1/100); Aperture: f/7.1; ISO: 800
Focal Length: 400mm (640mm in 35mm)
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