• Direct Replacement or Spare Part
    • For the AP Clamp Mount Head Unit
    • For the AP Mounting Base Post

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    • Mount Vixen-Style Dovetail Plates & Bars
    • Manual Friction-Control System
    • Includes AP Clamp Lever

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    • Carries Counterweight to Balance Mount

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    • Functions as DEC Body of the AP Mount
    • Elevation Axis of the APZ Alt-Az Mount
    • Four AA-cell Battery Compartment
    • AP Counterweight Bar
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    • Use as a Spare or Replacement
    • Attach Dovetail Slide Bar PG

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    • For the Advanced Polaris Mount
    • Attach Slow-Motion Module to Slide Bar

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    • Connect the AP Mount to the AP Tripod
    • Factory Replacement Part

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Ship Time: 7-14 business days 

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    • For Long-Exposure Astrophotography
    • Mount DSLR for Wide-Field Imaging
    • Motorized EQ Mount
    • Polar Alignment Scope
    • STAR BOOK ONE Controller
    • Backlash Compensation and PEC
    • Accurate Long-Duration Tracking
    • Multiple Tracking and Slew Speeds
    • Runs on 12VDC Car/Vehicle Power
    • Adjustable-Height Tripod
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Availability: In Stock : Shipping Only

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    • Enables the Use of Polar Axis Scope
    • Dovetail Slide Bar PG
    • AP Clamp Mount Head Unit H
    • AP Polar Axis Bracket
    • Mount Head Base
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    • 144-Tooth Worm Wheel
    • Brass Worm Shaft
    • Weight: 12.7oz

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    • Motorized Equatorial Mount
    • Pulse Stepper Motor
    • Star Book One Go-To Hand Controller
    • Multiple Tracking and Slew Speeds
    • Periodic Error Correction
    • Backlash Compensation
    • Vixen-Style Dovetail Saddle
    • 13.2-pound Payload Capacity
    • Runs on Four AA Batteries
    • Adjustable-Height Tripod
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    • Motorized Equatorial Mount
    • Pulse Stepper Motor
    • Star Book One Go-To Hand Controller
    • Multiple Tracking and Slew Speeds
    • Periodic Error Correction
    • Backlash Compensation
    • Adjustable Screen and Key Brightness
    • Vixen-Style Dovetail Saddle
    • 13.2-pound Payload Capacity
    • Runs on Four AA Batteries
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    • 80mm Achromatic Refractor
    • 910mm Focal Length, f/11.4 Focal Ratio
    • Two Eyepieces, Erecting Prism
    • German Equatorial Mount
    • Right Ascension Stepper Motor
    • Star Book One Hand Controller
    • Multiple Tracking and Slew Speeds
    • PEC and Backlash Compensation
    • 13.2-Pound Payload Capacity
    • Adjustable-Height Tripod
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Availability: Special Order

Ship Time: 7-14 business days 

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    • 80mm ED Apochromatic Refractor
    • 600mm Focal Length, f/7.5 Focal Ratio
    • 9x50mm Finderscope
    • German Equatorial Mount
    • Right Ascension Stepper Motor
    • Star Book One Hand Controller
    • Multiple Tracking and Slew Speeds
    • PEC and Backlash Compensation
    • 13.2-Pound Payload Capacity
    • Adjustable-Height Tripod
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Ship Time: 7-14 business days 

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    • 81mm SD Achromatic Refractor
    • 625mm Focal Length, f/7.7 Focal Ratio
    • German Equatorial Mount
    • Right Ascension Stepper Motor
    • Star Book One Hand Controller
    • Multiple Tracking and Slew Speeds
    • PEC and Backlash Compensation
    • 13.2-Pound Payload Capacity
    • Tube Rings with Integrated Carry Handle
    • Adjustable-Height Tripod
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Availability: Special Order

Ship Time: 7-14 business days 

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You Pay: $2,499.00

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    • 5.1" (130mm) Newtonian Reflector
    • 650mm Focal Length, f/5 Focal Ratio
    • 20mm and 6.3mm Eyepieces
    • German Equatorial Mount
    • Right Ascension Stepper Motor
    • Star Book One Hand Controller
    • Multiple Tracking and Slew Speeds
    • PEC and Backlash Compensation
    • 13.2-Pound Payload Capacity
    • Adjustable-Height Tripod
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Availability: Special Order

Ship Time: 7-14 business days 

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You Pay: $1,399.00

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    • 110mm Maksutov-Cassegrain Design
    • 1035mm Focal Length, f/9.4 Focal Ratio
    • Internal Flip Mirror and 25mm Eyepiece
    • German Equatorial Mount
    • Right Ascension Stepper Motor
    • Star Book One Hand Controller
    • Multiple Tracking and Slew Speeds
    • PEC and Backlash Compensation
    • 13.2-Pound Payload Capacity
    • Adjustable-Height Tripod
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Availability: Special Order

Ship Time: 7-14 business days 

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You Pay: $1,599.00

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    • For non-ED Vixen 52mm Scopes
    • 34-56° Apparent Field of View

Availability: Special Order

Ship Time: 7-10 business days 

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    • For non-ED Vixen 52mm Scopes
    • 52° Apparent Field of View

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Ship Time: 7-10 business days 

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    • Manual Equatorial Mount
    • Dual Axis Adjustment Knobs
    • Clutch-Less Friction Control System
    • Vixen-Style Dovetail Plate
    • 13.2-Pound Payload Capacity
    • 2.2-Pound Counterweight and Bar
    • Tripod and OTA Required
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Ship Time: 7-14 business days 

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You Pay: $699.00

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    • Manual Equatorial Mount
    • Dual Axis Adjustment Knobs
    • Clutch-Less Friction Control System
    • 13.2-Pound Payload Capacity
    • 2.2-Pound Counterweight and Bar
    • Vixen-Style Dovetail Plate
    • Adjustable-Height Tripod
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Ship Time: 7-14 business days 

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You Pay: $899.00

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    • BAK4 Porro Prisms
    • Anti-Reflection Multi-Coated Optics
    • Wide Angle Viewing: 70°
    • Nitrogen-Filled, Water and Fogproof
    • Closed Bridge Configuration
    • Center Focusing
    • Center Bar with 1/4"-20 Tripod Mount
    • Twist-Up Eyecups
    • 3-Way Head with Control Handle
    • Ash Wood Tripod with Accessory Tray
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    • BAK4 Roof Prisms
    • Hydrophobic Coating
    • AAoV of 60%deg;
    • Nitrogen Filled Waterproof and Fogproof
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Availability: Special Order

Ship Time: 7-10 business days 

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You Pay: $519.00

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