MacroGlide ALPHA Focuser (macroalf.htm)

3" ALPHA Primary Focuser, no motor, Item ALF1: $1450
3" ALPHA Primary Focuser, stepper motor, Item ALF2: $1595
3" ALPHA Primary Focuser, DC servo w/paddle, Item ALF3: $1850
3" ALPHA Primary Focuser, Stepper & DC servo motors, Item ALF4: $1995
Optional Output Adapters & Docking Converters required (see links at right)
MacroGlide focusers are not compatible with 8" SCTs
For more details, see BELOW and other links at right

3" MacroGlide [manual control] ALPHA Focuser, includes all features of the following motorized focusers, except no motor drive. A primary focuser with 5" of tube travel for refractors, etc. Upgradeable to motor control. Pictured at right is what you receive in the ALF1 package. Does not include docking converters or output adapters (see specific link).
Item ALF1: $1450
AUTO-FOCUS 3" MacroGlide [Stepper Motor] ALPHA Focuser, shown below (AUTO-FOCUS electronic hardware package available at AUTOFOCUS link), includes Robo-Focus stepper motor and VSI hardware mounted on ALPHA. Purchase stepper motor interface hardware and software separately. A primary focuser with 5" of tube travel for refractors, etc. Pictured at right is what you receive in the ALF2 package. Does not include docking converters or output adapters (see specific link).
Item ALF2: $1595 (FREE FocusAide Software with purchase, see details at AUTOFOCUS link)
3" MacroGlide [DC Servo Motor] ALPHA Focuser, includes DC servo motor and hardware mounted on ALPHA, Impulse Engineering RAMPING hand paddle and wall-wart 120vac power supply (purchase 12vdc car lighter adapter separately). DC servo motor has 6' cable with 1/8" phono plug to connect hand paddle. A primary focuser with 5" of tube travel for refractors, etc. Pictured at right is what you receive in the ALF3 package. Does not include docking converters or output adapters (see specific link).
Item ALF3: $1850
Both above motor packages for 3" MacroGlide ALPHA Focuser (AUTO-FOCUS electronic hardware package available at AUTOFOCUS link), includes stepper and DC servo motors, Impulse Engineering RAMPING hand paddle and wall-wart 120vac power supply (purchase 12vdc car lighter adapter separately). VSI [interchangeable] motor mounting hardware installed on Robo-Focus stepper motor and DC servo motor. A primary focuser with 5" of tube travel for refractors, etc. Pictured at right is what you receive in the ALF4 package. Does not include docking converters or output adapters (see specific link).
Item ALF4: $1995 (FREE FocusAide Software with purchase, see details at AUTOFOCUS link)

MacroGlide ALPHA focuser (Item ALF2): shown with Robo-Focus stepper motor (included) and optional 2" Output Adapter