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Officina Stellare 3" RotoFocuser Digital Rotating Focuser

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I want to sell Officina Stellare 3" RotoFocuser Digital Rotating Focuser

buying a new opt

I used it with ridk.

Very good condition

Focuser Mount, Controller, power, cable, included

Officina RotoFocuser Specification

?Clear aperture: 75 mm (3")
?Total BFL profile: 74 mm
?Linear travel of focuser: 25 mm (about 1")
?Absolute resolution of focuser (single step): 0.1 micron
?Absolute resolution of rotator (single step): less than 1 arc second
?Max payload: 12 Kg/25 lb)
?Power Supply: 12 Vdc (9 to 15), 0.5 A

Thank for looking.