The range of the Tamron 18-270mm PZD means that you have quite a bit of leeway in how you use your depth of field to enhance an image. For this image, I used extension tubes to increase my working distance, and then chose a combination of aperture and focal length that allowed me to include some of the foreground grasses without them detracting from the main subject. This added some layering to the photo. This means that even when working space is tight (with grasses very close behind and in front of my subject here), I’m able to select a focal length that will narrow the focal plane further, or widen it to include more of the surroundings.
Nikon D300; Tamron 18-270mm PZD @ 140mm; ISO 250; F/11; 1/80s. VC on