Summertime Nature in New Jersey: Sourland Mountain Preserve.
Harvey the Bullfrog. I took the same image of this bullfrog using a Nikon D4 camera and 400 mm f/2.8 telephoto lens at different apertures. The camera and lens were mounted on a gimbal tripod. This version of the 400 mm lens does not have vibration reduction, but the heavy weight of the lens plus good long lens techniques minimized the impact of vibration due to mirror and shutter motion. The aperture was changed from f/2.8 to f/8 to see the impact on depth of view. The following are significant crops of the original images.
Bullfrog in a Pond. Summer Nature at the Sourland Mountain Preserve. Image taken with a Nikon D4 camera and 400 mm f/2.8 lens (ISO 100, 400 mm, f/2.8, 1/500 sec). (David J Mathre)Bullfrog in a Pond. Summer Nature at the Sourland Mountain Preserve. Image taken with a Nikon D4 camera and 400 mm f/2.8 lens (ISO 160, 400 mm, f/4, 1/400 sec). (David J Mathre)Bullfrog in a Pond. Summer Nature at the Sourland Mountain Preserve. Image taken with a Nikon D4 camera and 400 mm f/2.8 lens (ISO 280, 400 mm, f/5.6, 1/400 sec). (David J Mathre)Bullfrog in a Pond. Summer Nature at the Sourland Mountain Preserve. Image taken with a Nikon D4 camera and 400 mm f/2.8 lens (ISO 560, 400 mm, f/8, 1/400 sec). (David J Mathre)
