PlaneWave CDK300 Observatory System - CDK 12.5" f/8 Telescope OTA & L-350 Mount

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Shipped directly from the PlaneWave factory in Adrian, Michigan. $500 Crating Fee and shipping charges to be billed separately.
- Corrected Dall-Kirkham: Optical design with flat field delivers no off-axis coma or astigmatism across a 52 mm image circle, ensuring extremely sharp edge-to-edge images.
- High-quality fused-silica mirrors & carbon fiber structure: mirrors with low thermal expansion plus a rigid, lightweight carbon-fiber tube help maintain optical performance across temperature variations.
- High-Resolution Encoders: Integrated high-resolution encoders offer precise positioning, essential for advanced astrophotography and research conduction.
- Rapid Target Acquisition: Equipped with direct-drive motors that offer slew speeds capable of efficient targeting of celestial objects and satellites.
PlaneWave 12.5" f/8 CDK & L-350 Drive Mount Observatory System
The CDK300 Observatory System from PlaneWave Instruments is an elite configuration designed specifically for the astrophotography enthusiast, and astronomy researcher. This system combines the precision-engineered 12.5" corrected Dall-Kirkham optical tube with the robust L-350 direct-drive mount, offering an unparalleled observational experience that excels in a wide array of applications from detailed celestial studies to advanced astrophotography! Please note: Price excludes shipping and crating.
Specification Spotlight
CDK300 Optical Tube
- Large Aperture - 12.5 in (318 mm)
- Focal Length - 2541 mm
- Back Focus - 265 mm back focus from mounting surface
- Percision Optical Performance - Perfectly flat field across the entire 52 mm image circle
- Edge-to-Edge Clarity - No off-axis coma or astigmatism
- Thermally Stable Fused Silica Mirrors - Rock-solid fused silica mirrors with low thermal expansion
- Carbon Fiber Construction - Lightweight and rigid carbon fiber optical tube assembly
- Integrated Dew Control - Keep your mirrors images clear and consistent all night with condensation control
L-350 Direct-Drive Mount
- Payload Capcity - 101 lbs (45 kg)
- Assembly - Fork Arm Mount
- Direct Drive Motors - State-of-the-art direct-drive motors on each axis, providing smooth, fast, and quiet movements of the mount with zero backlash and zero periodic error
- High-Resolution Encoders - High-resolution encoders offer precise positioning, essential for capturing high-quality astrophotography and research conduction
- Azimuth Dovetail Balance System - Provides percise center of gravity adjustments, crucial for maintaining accurate tracking and reducing strain on the mount
- Rapid Target Acquisition - Direct-drive motors capable of slew speeds up to 50 degrees per second, enabling quick and efficient targeting
Application-Specific Benefits
The CDK300 and L-350 observatory system is versatile and powerful, excelling across multiple applications. For astrophotographers, it delivers exceptional tracking accuracy and image stability, enabling the capture of breathtaking celestial images with intricate details and vibrant colors. Researchers benefit from its consistent performance and precise data collection, making it ideal for photometry, spectroscopy, and minor planet tracking, providing a reliable platform. Visual observers enjoy vibrant, detailed views of the cosmos, with the large aperture and high-quality optics enhancing observations of planetary, lunar, and deep-sky objects. Additionally, the L-350 mount offers swift and precise repositioning, capable of tracking satellites and space debris, though for dedicated Space Situational Awareness (SSA) and Space Domain Awareness (SDA) operations, the T-600 Direct-Drive Gimbal is recommended for superior tracking and responsiveness to meet the rigorous demands of monitoring and cataloging space objects.
A Closer Look at This System’s Key Features:
Large Aperture with Exceptional Optics
The 318 mm (12.5") aperture paired with an f/8 focal ratio and the Corrected Dall-Kirkham design delivers superb resolution, flat-field imaging, and minimal off-axis aberrations for crisp, detailed views of lunar, planetary, and deep-sky objects.
Robust and Lightweight Construction
Carbon fiber optical tube ensures durability, minimal thermal expansion, and stable focus across temperature variations, ideal for extended observing sessions in diverse environments.
High-Performance Mirrors and Coatings
The Corrected Dall-Kirkham optical system, featuring fused silica mirrors with superior coatings, delivers outstanding image clarity by eliminating off-axis coma and astigmatism. This design achieves a perfectly flat field, maintains precise optical alignment, maximizes light transmission, and reduces stray light, ensuring consistently sharp and detailed images with minimal post-processing for demanding astrophotography and research.
Advanced Thermal and Dew Control
Carbon fiber optical tube ensures durability, minimal thermal expansion, and stable focus across temperature variations. The telescope integrates sophisticated dew prevention technology with heating pads managed through PlaneWave’s software, ensuring that optical surfaces remain clear from condensation under varying humidity levels, ideal for extended observing sessions in diverse environments.
Direct-Drive Mount with High-Resolution Encoders
State-of-the-art motors provide smooth, ultra-quiet movement with zero backlash and periodic error. High-resolution encoders ensure precise positioning for astrophotography and research applications.
Rapid Targeting and Balance Optimization
Slew speeds up to 50°/sec enable fast object acquisition, and the azimuth dovetail balance system allows precise center-of-gravity adjustments for stability and reduced strain during extended observations. Also enabling quick and efficient targeting of celestial objects and satellites, crucial for dynamic observations and time-sensitive astrophotography.
Azimuth Dovetail Balance System
The L-350 allows you to easily adjust the telescope’s center of gravity, keeping it perfectly balanced. A well-balanced telescope moves more smoothly and stays stable, whether you’re using it in alt-azimuth, or equatorial mode. This makes tracking celestial objects more accurate and puts less strain on the mount, especially during long observing or imaging sessions.
Specifications
Optical Systems
-
Aperture: 318 mm (12.5 in)
-
Focal Length: 2541 mm (100 in)
-
Focal Ratio: f/8
-
Central Obstruction: 42% of the primary mirror diameter
-
Back Focus from Mounting Surface: 265 mm (10.45 in)
-
Back Focus from Racked in Focuser: 183 mm (7.2 in)
-
Weight: 42 lbs (19 kg)
-
OTA Length: 787 mm (31 in)
-
Optical Design Performance: 2.8-micron RMS on-axis; 3.8-micron RMS at 11 mm off-axis; 8.0-micron RMS at 21 mm off-axis
-
Upper Cage: Carbon fiber
Lens Group
-
Diameter: 70 mm (2.76 in)
-
Coating: Broadband AR coatings (<0.5% reflected from 400–700 nm)
Secondary Mirror
-
Diameter: 118 mm (4.65 in)
-
Material: Fused silica (quartz)
-
Shape: Spherical
-
Coating: Enhanced aluminum – 96%
Primary Mirror
-
Optical Diameter: 318 mm (12.5 in)
-
Outer Diameter: 330 mm (13 in)
-
Shape: Prolate Ellipsoid
-
Material: Fused silica (quartz)
-
Coating: Enhanced aluminum – 96%
Mount System
-
Mount Weight: 110 lbs (50 kg)
-
Assembly: Single fork mount
-
Fork Base: Welded stainless steel torsion box
-
Max Payload: 100 lbs (45 kg)
-
Latitude Range: 0–90° (Northern and Southern hemispheres)
-
Cable Management: Equipment cables can be routed through the mount
Control System
-
Control Electronics: PlaneWave Interface dual-axis telescope control
-
User Interface: PlaneWave Interface 4 (PWI4) with integrated PointXP mount modeling software
-
Homing Sensors: Home position sensors for automatic positioning on power-up
-
Slew Rate: 20°/sec (standard), 50°/sec (maximum) on both axes
-
Power Requirement: 120–240 VAC; supplied with 120 VAC 15A IEC Type B regulated adapter
Motion Control
-
Motor (Azimuth & Altitude): Direct Drive 3-phase axial-flux torque motors
-
Encoder (Azimuth & Altitude): 152 mm stainless steel encoder ring; 18,880,000 counts/rev (0.069 arcsecond resolution)
-
Motor Torque: ~20 ft-lbs continuous; 50 ft-lbs peak
-
Drive Electronics: Industrial-grade brushless motor drives with custom interface card
-
Telescope Control Software: PlaneWave Interface (PWI4) with PointXP mount modeling; HTTP and ASCOM interfaces; MaxIm DL required for camera control
System Performance
-
Pointing Accuracy: <10 arcseconds RMS with PointXP model
-
Pointing Precision: 2 arcseconds at sidereal velocity
-
Tracking Accuracy: 0.3 arcseconds over 5 minutes at sidereal velocity
-
System Natural Frequency: 14 Hz or greater
Other Information
- Country of Manufacture: United States
PlaneWave 12.5" f/8 CDK & L-350 Drive Mount Observatory System
The CDK300 Observatory System from PlaneWave Instruments is an elite configuration designed specifically for the astrophotography enthusiast, and astronomy researcher. This system combines the precision-engineered 12.5" corrected Dall-Kirkham optical tube with the robust L-350 direct-drive mount, offering an unparalleled observational experience that excels in a wide array of applications from detailed celestial studies to advanced astrophotography! Please note: Price excludes shipping and crating.
Specification Spotlight
CDK300 Optical Tube
- Large Aperture - 12.5 in (318 mm)
- Focal Length - 2541 mm
- Back Focus - 265 mm back focus from mounting surface
- Percision Optical Performance - Perfectly flat field across the entire 52 mm image circle
- Edge-to-Edge Clarity - No off-axis coma or astigmatism
- Thermally Stable Fused Silica Mirrors - Rock-solid fused silica mirrors with low thermal expansion
- Carbon Fiber Construction - Lightweight and rigid carbon fiber optical tube assembly
- Integrated Dew Control - Keep your mirrors images clear and consistent all night with condensation control
L-350 Direct-Drive Mount
- Payload Capcity - 101 lbs (45 kg)
- Assembly - Fork Arm Mount
- Direct Drive Motors - State-of-the-art direct-drive motors on each axis, providing smooth, fast, and quiet movements of the mount with zero backlash and zero periodic error
- High-Resolution Encoders - High-resolution encoders offer precise positioning, essential for capturing high-quality astrophotography and research conduction
- Azimuth Dovetail Balance System - Provides percise center of gravity adjustments, crucial for maintaining accurate tracking and reducing strain on the mount
- Rapid Target Acquisition - Direct-drive motors capable of slew speeds up to 50 degrees per second, enabling quick and efficient targeting
Application-Specific Benefits
The CDK300 and L-350 observatory system is versatile and powerful, excelling across multiple applications. For astrophotographers, it delivers exceptional tracking accuracy and image stability, enabling the capture of breathtaking celestial images with intricate details and vibrant colors. Researchers benefit from its consistent performance and precise data collection, making it ideal for photometry, spectroscopy, and minor planet tracking, providing a reliable platform. Visual observers enjoy vibrant, detailed views of the cosmos, with the large aperture and high-quality optics enhancing observations of planetary, lunar, and deep-sky objects. Additionally, the L-350 mount offers swift and precise repositioning, capable of tracking satellites and space debris, though for dedicated Space Situational Awareness (SSA) and Space Domain Awareness (SDA) operations, the T-600 Direct-Drive Gimbal is recommended for superior tracking and responsiveness to meet the rigorous demands of monitoring and cataloging space objects.
A Closer Look at This System’s Key Features:
Large Aperture with Exceptional Optics
The 318 mm (12.5") aperture paired with an f/8 focal ratio and the Corrected Dall-Kirkham design delivers superb resolution, flat-field imaging, and minimal off-axis aberrations for crisp, detailed views of lunar, planetary, and deep-sky objects.
Robust and Lightweight Construction
Carbon fiber optical tube ensures durability, minimal thermal expansion, and stable focus across temperature variations, ideal for extended observing sessions in diverse environments.
High-Performance Mirrors and Coatings
The Corrected Dall-Kirkham optical system, featuring fused silica mirrors with superior coatings, delivers outstanding image clarity by eliminating off-axis coma and astigmatism. This design achieves a perfectly flat field, maintains precise optical alignment, maximizes light transmission, and reduces stray light, ensuring consistently sharp and detailed images with minimal post-processing for demanding astrophotography and research.
Advanced Thermal and Dew Control
Carbon fiber optical tube ensures durability, minimal thermal expansion, and stable focus across temperature variations. The telescope integrates sophisticated dew prevention technology with heating pads managed through PlaneWave’s software, ensuring that optical surfaces remain clear from condensation under varying humidity levels, ideal for extended observing sessions in diverse environments.
Direct-Drive Mount with High-Resolution Encoders
State-of-the-art motors provide smooth, ultra-quiet movement with zero backlash and periodic error. High-resolution encoders ensure precise positioning for astrophotography and research applications.
Rapid Targeting and Balance Optimization
Slew speeds up to 50°/sec enable fast object acquisition, and the azimuth dovetail balance system allows precise center-of-gravity adjustments for stability and reduced strain during extended observations. Also enabling quick and efficient targeting of celestial objects and satellites, crucial for dynamic observations and time-sensitive astrophotography.
Azimuth Dovetail Balance System
The L-350 allows you to easily adjust the telescope’s center of gravity, keeping it perfectly balanced. A well-balanced telescope moves more smoothly and stays stable, whether you’re using it in alt-azimuth, or equatorial mode. This makes tracking celestial objects more accurate and puts less strain on the mount, especially during long observing or imaging sessions.
Specifications
Optical Systems
-
Aperture: 318 mm (12.5 in)
-
Focal Length: 2541 mm (100 in)
-
Focal Ratio: f/8
-
Central Obstruction: 42% of the primary mirror diameter
-
Back Focus from Mounting Surface: 265 mm (10.45 in)
-
Back Focus from Racked in Focuser: 183 mm (7.2 in)
-
Weight: 42 lbs (19 kg)
-
OTA Length: 787 mm (31 in)
-
Optical Design Performance: 2.8-micron RMS on-axis; 3.8-micron RMS at 11 mm off-axis; 8.0-micron RMS at 21 mm off-axis
-
Upper Cage: Carbon fiber
Lens Group
-
Diameter: 70 mm (2.76 in)
-
Coating: Broadband AR coatings (<0.5% reflected from 400–700 nm)
Secondary Mirror
-
Diameter: 118 mm (4.65 in)
-
Material: Fused silica (quartz)
-
Shape: Spherical
-
Coating: Enhanced aluminum – 96%
Primary Mirror
-
Optical Diameter: 318 mm (12.5 in)
-
Outer Diameter: 330 mm (13 in)
-
Shape: Prolate Ellipsoid
-
Material: Fused silica (quartz)
-
Coating: Enhanced aluminum – 96%
Mount System
-
Mount Weight: 110 lbs (50 kg)
-
Assembly: Single fork mount
-
Fork Base: Welded stainless steel torsion box
-
Max Payload: 100 lbs (45 kg)
-
Latitude Range: 0–90° (Northern and Southern hemispheres)
-
Cable Management: Equipment cables can be routed through the mount
Control System
-
Control Electronics: PlaneWave Interface dual-axis telescope control
-
User Interface: PlaneWave Interface 4 (PWI4) with integrated PointXP mount modeling software
-
Homing Sensors: Home position sensors for automatic positioning on power-up
-
Slew Rate: 20°/sec (standard), 50°/sec (maximum) on both axes
-
Power Requirement: 120–240 VAC; supplied with 120 VAC 15A IEC Type B regulated adapter
Motion Control
-
Motor (Azimuth & Altitude): Direct Drive 3-phase axial-flux torque motors
-
Encoder (Azimuth & Altitude): 152 mm stainless steel encoder ring; 18,880,000 counts/rev (0.069 arcsecond resolution)
-
Motor Torque: ~20 ft-lbs continuous; 50 ft-lbs peak
-
Drive Electronics: Industrial-grade brushless motor drives with custom interface card
-
Telescope Control Software: PlaneWave Interface (PWI4) with PointXP mount modeling; HTTP and ASCOM interfaces; MaxIm DL required for camera control
System Performance
-
Pointing Accuracy: <10 arcseconds RMS with PointXP model
-
Pointing Precision: 2 arcseconds at sidereal velocity
-
Tracking Accuracy: 0.3 arcseconds over 5 minutes at sidereal velocity
-
System Natural Frequency: 14 Hz or greater
| Manufacturer | PlaneWave Instruments |
|---|---|
| Telescope Focal Length | 2501 - 3000m |
- 12.5" CDK OTA
- L-350 Direct Drive mount
- 1x Dew heating elements, pads on primary and secondary mirrors; require Delta-T 600195 controller (sold separately)
- 1x OTA Cover
- 1x Flash drive - Contains PWI4 software for mount control, instructions for installation, software, and instructions for collimation and spacing the primary to secondary mirror
- 6x 3/8-16 x 1/4″ socket head cap screws to bolt the mount to the pier, or wedge
- 6x 3/8-16 x 1/4″ washers
- 1x extended length shoulder bolt for RA axis to EQ wedge alignment
- 1x 16" USB cable - To connect the mount to the observatory control computer
- 1x 120VAC power cable - To provide power to the mount
- 1x Standard Allen Key set - For tightening bolts used on the mount
- 1x Gamepad - Used for control of the mount tracking speeds for visual observing
- 1x Keller EZ-Saddle (600182)
- 1x 16′ USB cable - To connect the mount to the observatory control computer
Shipped directly from the PlaneWave factory in Adrian, Michigan. $500 Crating Fee and shipping charges to be billed separately.
- Corrected Dall-Kirkham: Optical design with flat field delivers no off-axis coma or astigmatism across a 52 mm image circle, ensuring extremely sharp edge-to-edge images.
- High-quality fused-silica mirrors & carbon fiber structure: mirrors with low thermal expansion plus a rigid, lightweight carbon-fiber tube help maintain optical performance across temperature variations.
- High-Resolution Encoders: Integrated high-resolution encoders offer precise positioning, essential for advanced astrophotography and research conduction.
- Rapid Target Acquisition: Equipped with direct-drive motors that offer slew speeds capable of efficient targeting of celestial objects and satellites.
PlaneWave 12.5" f/8 CDK & L-350 Drive Mount Observatory System
The CDK300 Observatory System from PlaneWave Instruments is an elite configuration designed specifically for the astrophotography enthusiast, and astronomy researcher. This system combines the precision-engineered 12.5" corrected Dall-Kirkham optical tube with the robust L-350 direct-drive mount, offering an unparalleled observational experience that excels in a wide array of applications from detailed celestial studies to advanced astrophotography! Please note: Price excludes shipping and crating.
Specification Spotlight
CDK300 Optical Tube
- Large Aperture - 12.5 in (318 mm)
- Focal Length - 2541 mm
- Back Focus - 265 mm back focus from mounting surface
- Percision Optical Performance - Perfectly flat field across the entire 52 mm image circle
- Edge-to-Edge Clarity - No off-axis coma or astigmatism
- Thermally Stable Fused Silica Mirrors - Rock-solid fused silica mirrors with low thermal expansion
- Carbon Fiber Construction - Lightweight and rigid carbon fiber optical tube assembly
- Integrated Dew Control - Keep your mirrors images clear and consistent all night with condensation control
L-350 Direct-Drive Mount
- Payload Capcity - 101 lbs (45 kg)
- Assembly - Fork Arm Mount
- Direct Drive Motors - State-of-the-art direct-drive motors on each axis, providing smooth, fast, and quiet movements of the mount with zero backlash and zero periodic error
- High-Resolution Encoders - High-resolution encoders offer precise positioning, essential for capturing high-quality astrophotography and research conduction
- Azimuth Dovetail Balance System - Provides percise center of gravity adjustments, crucial for maintaining accurate tracking and reducing strain on the mount
- Rapid Target Acquisition - Direct-drive motors capable of slew speeds up to 50 degrees per second, enabling quick and efficient targeting
Application-Specific Benefits
The CDK300 and L-350 observatory system is versatile and powerful, excelling across multiple applications. For astrophotographers, it delivers exceptional tracking accuracy and image stability, enabling the capture of breathtaking celestial images with intricate details and vibrant colors. Researchers benefit from its consistent performance and precise data collection, making it ideal for photometry, spectroscopy, and minor planet tracking, providing a reliable platform. Visual observers enjoy vibrant, detailed views of the cosmos, with the large aperture and high-quality optics enhancing observations of planetary, lunar, and deep-sky objects. Additionally, the L-350 mount offers swift and precise repositioning, capable of tracking satellites and space debris, though for dedicated Space Situational Awareness (SSA) and Space Domain Awareness (SDA) operations, the T-600 Direct-Drive Gimbal is recommended for superior tracking and responsiveness to meet the rigorous demands of monitoring and cataloging space objects.
A Closer Look at This System’s Key Features:
Large Aperture with Exceptional Optics
The 318 mm (12.5") aperture paired with an f/8 focal ratio and the Corrected Dall-Kirkham design delivers superb resolution, flat-field imaging, and minimal off-axis aberrations for crisp, detailed views of lunar, planetary, and deep-sky objects.
Robust and Lightweight Construction
Carbon fiber optical tube ensures durability, minimal thermal expansion, and stable focus across temperature variations, ideal for extended observing sessions in diverse environments.
High-Performance Mirrors and Coatings
The Corrected Dall-Kirkham optical system, featuring fused silica mirrors with superior coatings, delivers outstanding image clarity by eliminating off-axis coma and astigmatism. This design achieves a perfectly flat field, maintains precise optical alignment, maximizes light transmission, and reduces stray light, ensuring consistently sharp and detailed images with minimal post-processing for demanding astrophotography and research.
Advanced Thermal and Dew Control
Carbon fiber optical tube ensures durability, minimal thermal expansion, and stable focus across temperature variations. The telescope integrates sophisticated dew prevention technology with heating pads managed through PlaneWave’s software, ensuring that optical surfaces remain clear from condensation under varying humidity levels, ideal for extended observing sessions in diverse environments.
Direct-Drive Mount with High-Resolution Encoders
State-of-the-art motors provide smooth, ultra-quiet movement with zero backlash and periodic error. High-resolution encoders ensure precise positioning for astrophotography and research applications.
Rapid Targeting and Balance Optimization
Slew speeds up to 50°/sec enable fast object acquisition, and the azimuth dovetail balance system allows precise center-of-gravity adjustments for stability and reduced strain during extended observations. Also enabling quick and efficient targeting of celestial objects and satellites, crucial for dynamic observations and time-sensitive astrophotography.
Azimuth Dovetail Balance System
The L-350 allows you to easily adjust the telescope’s center of gravity, keeping it perfectly balanced. A well-balanced telescope moves more smoothly and stays stable, whether you’re using it in alt-azimuth, or equatorial mode. This makes tracking celestial objects more accurate and puts less strain on the mount, especially during long observing or imaging sessions.
Specifications
Optical Systems
-
Aperture: 318 mm (12.5 in)
-
Focal Length: 2541 mm (100 in)
-
Focal Ratio: f/8
-
Central Obstruction: 42% of the primary mirror diameter
-
Back Focus from Mounting Surface: 265 mm (10.45 in)
-
Back Focus from Racked in Focuser: 183 mm (7.2 in)
-
Weight: 42 lbs (19 kg)
-
OTA Length: 787 mm (31 in)
-
Optical Design Performance: 2.8-micron RMS on-axis; 3.8-micron RMS at 11 mm off-axis; 8.0-micron RMS at 21 mm off-axis
-
Upper Cage: Carbon fiber
Lens Group
-
Diameter: 70 mm (2.76 in)
-
Coating: Broadband AR coatings (<0.5% reflected from 400–700 nm)
Secondary Mirror
-
Diameter: 118 mm (4.65 in)
-
Material: Fused silica (quartz)
-
Shape: Spherical
-
Coating: Enhanced aluminum – 96%
Primary Mirror
-
Optical Diameter: 318 mm (12.5 in)
-
Outer Diameter: 330 mm (13 in)
-
Shape: Prolate Ellipsoid
-
Material: Fused silica (quartz)
-
Coating: Enhanced aluminum – 96%
Mount System
-
Mount Weight: 110 lbs (50 kg)
-
Assembly: Single fork mount
-
Fork Base: Welded stainless steel torsion box
-
Max Payload: 100 lbs (45 kg)
-
Latitude Range: 0–90° (Northern and Southern hemispheres)
-
Cable Management: Equipment cables can be routed through the mount
Control System
-
Control Electronics: PlaneWave Interface dual-axis telescope control
-
User Interface: PlaneWave Interface 4 (PWI4) with integrated PointXP mount modeling software
-
Homing Sensors: Home position sensors for automatic positioning on power-up
-
Slew Rate: 20°/sec (standard), 50°/sec (maximum) on both axes
-
Power Requirement: 120–240 VAC; supplied with 120 VAC 15A IEC Type B regulated adapter
Motion Control
-
Motor (Azimuth & Altitude): Direct Drive 3-phase axial-flux torque motors
-
Encoder (Azimuth & Altitude): 152 mm stainless steel encoder ring; 18,880,000 counts/rev (0.069 arcsecond resolution)
-
Motor Torque: ~20 ft-lbs continuous; 50 ft-lbs peak
-
Drive Electronics: Industrial-grade brushless motor drives with custom interface card
-
Telescope Control Software: PlaneWave Interface (PWI4) with PointXP mount modeling; HTTP and ASCOM interfaces; MaxIm DL required for camera control
System Performance
-
Pointing Accuracy: <10 arcseconds RMS with PointXP model
-
Pointing Precision: 2 arcseconds at sidereal velocity
-
Tracking Accuracy: 0.3 arcseconds over 5 minutes at sidereal velocity
-
System Natural Frequency: 14 Hz or greater
Other Information
- Country of Manufacture: United States
| Manufacturer | PlaneWave Instruments |
|---|---|
| Telescope Focal Length | 2501 - 3000m |
- 12.5" CDK OTA
- L-350 Direct Drive mount
- 1x Dew heating elements, pads on primary and secondary mirrors; require Delta-T 600195 controller (sold separately)
- 1x OTA Cover
- 1x Flash drive - Contains PWI4 software for mount control, instructions for installation, software, and instructions for collimation and spacing the primary to secondary mirror
- 6x 3/8-16 x 1/4″ socket head cap screws to bolt the mount to the pier, or wedge
- 6x 3/8-16 x 1/4″ washers
- 1x extended length shoulder bolt for RA axis to EQ wedge alignment
- 1x 16" USB cable - To connect the mount to the observatory control computer
- 1x 120VAC power cable - To provide power to the mount
- 1x Standard Allen Key set - For tightening bolts used on the mount
- 1x Gamepad - Used for control of the mount tracking speeds for visual observing
- 1x Keller EZ-Saddle (600182)
- 1x 16′ USB cable - To connect the mount to the observatory control computer

PlaneWave CDK300 Observatory System - CDK 12.5" f/8 Telescope OTA & L-350 Mount
