70-200mm-f/4 – Arthur Morris/BIRDS AS ART

Basic Sharpness Testing

Arthur Morris/BIRDS AS ART — Fri, 29 Jan 2010 22:21:49 +0000

[See image gallery at www.birdsasart-blog.com] This image was created with the Canon 70-200mm f.4L IS lens with the 1.4X II TC (handheld at 280mm) and the EOS-7D. ISO 400. Evaluative metering +1/3 stop: 1/2000 sec. at f/6.3. You need to have absolute confidence in both your and your camera's ability to produce sharp images. [...]

7D Image Quality & AI Servo AF Pattern Comment (for birds in flight)

Arthur Morris/BIRDS AS ART — Sun, 24 Jan 2010 14:50:00 +0000

[See image gallery at www.birdsasart-blog.com] Canon 70-200mm f/4L IS lens with the 1.4X II TC (handlheld at 208mm). ISO 400. Evaluative metering +1/3 stop: 1/1250 sec. at f/8. In competent hands as seen here, the 7D offers superb image quality. As always, click on each image to see a larger, sharper version.

Early on [...]