I checked the SS website, & this is how they say it orients. The lower end has an ID of 109mm. Although it does look kind of counter-intuitive.
Following Bill's suggestion, I just went back on the site to double-check. It says: "The mounts smaller diameter side is meant to point to your object or the sky and has a diameter of 112mm (OD) and the larger side (bottom) has an ID of 109mm, OD of 116mm and an outer flange with a diameter of 127mm."
So the way it is in my photo definitely conforms to this spec (both dimensions & flange). But of course, it could still be wrong! I will drop them an email today just to confirm.
Last edited by PhilW; 16-02-2008 at 09:08 AM.
Reason: added info
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