Pentax Australia - Shot on Pentax K1 + Pentax-DFA 15-30mm F/2.8 ED SDM WR (foreground) + HD Pentax-D FA* 50mm F1.4 SDM AW (with astrotracer function tracking Stars) . @aaron_martinez_photography, at the
The Astrotracer O-GPS2 on the Pentax K-3 MarkIII - Recommended setting – PENTAX - Official Store