iOptron iPolar Electronic Polar Alignment Scope - 14 Types Available
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Astro Blog Delta « Polar Scope Align for iOS «
Upgrade your iOptron SkyGuider Pro with iPolar (Review)
Polar Alignment with the iOptron SkyGuider Pro | Polar Aligning the iOptron SkyGuider Pro is really easy because of the built in polar scope with illuminated reticule. I just check my Polar