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Pentax HD D FA 24-70mm f/2.8 SDM ED Aperture Series @ 29mm: Backlit Sprinter on White Mountain Road (Pentax K-1 II)

See my Pentax K wishlist at B&H Photo. Deep discounts are seen on Pentax K-1 Mark II and lenses today.

This medium range aperture series at 29mm shows why it is important to account for the field curvature at 24mm and at 40mm, namely, that the usual assumptions about focus placement need to be substantially modified to obtain full sharpness. A discussion is included of how to to do and thus reliably obtain higher total sharpness for any obliquely-shot scene like this.

Pentax HD DFA 24-70mm f/2.8 SDM ED Aperture Series @ 29mm: Backlit Sprinter on White Mountain Road

Includes images up to full camera resolution from f/2.8 through f/9.

f2.8 @ 1/4000 sec, ISO 100; 2018-11-29 12:29:42
PENTAX K-1 Mark II + HD PENTAX-D FA 24-70mm F2.8ED SDM WR @ 29mm
ENV: White Mountain Road, altitude 7500 ft / 2286 m, 35°F / 1°C
RAW: Enhance Details, LACA corrected, USM {20,50,0}

[low-res image for bot]

CLICK TO VIEW: Recommended Pentax

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