Fun with the Canon RF 100-500mm: Are You Watching for Patterns and Textures?

Pattern and texture images usually rank among the least liked images I share. Still, I like them — and they are quite useful. Use pattern and texture images for subtle yet beautiful decor. These images are also ideal for backgrounds, including with words and other images over them. For example, this white ice scene would make holly leaves and red berries pop for a Christmas theme.

While hiking up a mountain toward a rockslide to find pikas, I discovered a small iced-over pool of water (welcome to the first day of fall in Alaska). The consistent pattern of ice crystals immediately caught my attention. The friends with me were not interested in interrupting the pika chase for ice crystals, but this ice pattern was one of those photo opportunities I knew I would later regret passing up. So, I quickly captured some handheld images.

With a flat, 2-dimensional subject, any focal length would produce a similar result if the same composition was included, and the Canon RF 100-500mm F4.5-7.1 L IS USM Lens provides an extensive range to choose from. In this case, the widest available focal length was the easiest to work with, including the easiest to hold steady.

While the creatively blurred ice crystals option was available, keeping everything in focus seemed optimal at the time. With a relatively close subject and a telephoto focal length, the depth of field was limited. Especially since I was working quickly, f/11 seemed the best aperture, providing enough depth of field to forgive any misalignment over the flat surface without going too far deep into the softening effects of diffraction.

The longer I shot, the more I liked what I was shooting. So, I continued to shoot additional images, overshooting to ensure the ideal alignment and pattern was captured in sharp resolution – without motion blur.

After many minutes of this perfection attempt, I hurried to catch up with the others. While I did not have the regret of passing up an opportunity, my first thought in the field was that I regretted not taking the few minutes to set up the RRS TVC-24L Mk2 Carbon Fiber Tripod and BH-40 Ball Head that were in the MindShift Gear BackLight 18L. Doing so would have made the alignment easier and would have ensured steadiness.

Fortunately, that concern was needless.

The f/11 aperture at ISO 100 meant that a 1/60 shutter speed was required to push the histogram to the right side of the chart area (white ice is a bright subject). Impressively, the R5 and RF 100-500 combination produced 100% sharp handheld shots in this scenario, despite the somewhat awkward straight down shooting position and unstable footing. Perhaps more impressive is that I managed to sufficiently square the camera over the ice (within the f/11 depth of field) for every shot.

Camera and Lens Settings
100mm  f/11.0  1/60s
ISO 100
8192 x 5464px
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