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Aperture Series: Pine Creek Thunderstorms (645Z)
The Pentax 90mm f/2.8 D FA 645 Macro ED AW SR is a macro lens, but with some stopping down it delivers very high image quality corner to corner, for landscape use and similar.
Shot on the Pentax 645Z at ISO 100. Its 50-megapixel sensor reveals that the lens or the sensor can be the limiting factor, depending on aperture and where in the frame one looks.
Thunderstorms over Pine Creek
Mirror lockup with 2 second self timer used.
f-stop: 2.8, 4, 5.6, 8, 11, 16
shutter: 1/500, 1/250, 1/125, 1/60, 1/30, 1/15
Adobe Camera Raw 8.6 (254): ACR settings, Camera Profile = Embedded for a subtly more pleasing color rendition.
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