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01-20-2016, 05:56 AM   #1
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Can 645Z use O-GPS1 and do Astrotrack

I'm still new to the Pentax system and only have the Pentax 645Z for one year. Recently heard about the beauty of using O-GSP1 on some Pentax camera and can do astrotracker function for longer period of deep space tracking (a few time longer than the 500 rule) without using the star tracking motorized devices. I just wonder if it can be used on 645Z.

01-20-2016, 05:57 AM   #2
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No. Astrotracker requires in-body image stabilisation, which the 645z does not have.

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