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
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The Astrotracer (O-GPS1) works well with a 300mm lens :): Pentax SLR Talk Forum: Digital Photography Review
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