I agree with Lewis and Dunk as well on this as I have one of these that was taken off a 120mm Esprit on my iStar 127mm f8 and that's what I do as well , loosen the front ring turn the diagonal or camera to the desired position and re-lock this works well .
Not a bad focuser after a little fiddling .
Brian,
Quote:
Originally Posted by Camelopardalis
Alex, this is an image of the Esprit 80 focuser I scraped from the web and highlighted what I use to rotate my camera angle. This is why I think the captain's wheel is superfluous.
To loosen, turn the forward ribbed wheel clockwise (red arrow), and the rearward one anti-clockwise (green arrow). If the forward one won't turn, then it is at the end of its travel, just turn the rearward one.
Once rotated to your desired angle, rotate the forward one anti-clockwise to interface with the rearward one.
Note since this is forward of the flattener, there is no impact on your stars.
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